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CERTFR-2022-AVI-851
Vulnerability from certfr_avis
De multiples vulnérabilités ont été corrigées dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer un déni de service, une atteinte à la confidentialité des données, un contournement de la politique de sécurité et une exécution de code arbitraire.
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 | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"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 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-2022-32296",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-32296"
},
{
"name": "CVE-2022-33741",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33741"
},
{
"name": "CVE-2022-33742",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33742"
},
{
"name": "CVE-2021-33655",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-33655"
},
{
"name": "CVE-2022-33740",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33740"
},
{
"name": "CVE-2021-33061",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-33061"
},
{
"name": "CVE-2022-34494",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-34494"
},
{
"name": "CVE-2022-33744",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33744"
},
{
"name": "CVE-2022-1943",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1943"
},
{
"name": "CVE-2022-1012",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1012"
},
{
"name": "CVE-2022-2318",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2318"
},
{
"name": "CVE-2022-36946",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-36946"
},
{
"name": "CVE-2022-2873",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2873"
},
{
"name": "CVE-2022-2959",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2959"
},
{
"name": "CVE-2022-33743",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33743"
},
{
"name": "CVE-2022-1729",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1729"
},
{
"name": "CVE-2022-34495",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-34495"
},
{
"name": "CVE-2022-1852",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1852"
},
{
"name": "CVE-2022-1973",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1973"
},
{
"name": "CVE-2022-2503",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2503"
},
{
"name": "CVE-2022-26365",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-26365"
}
],
"initial_release_date": "2022-09-23T00:00:00",
"last_revision_date": "2022-09-23T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5633-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5623-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5630-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5622-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5624-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5621-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu du 21 sept. 2022",
"url": "https://ubuntu.com/security/notices/USN-5634-1"
}
],
"reference": "CERTFR-2022-AVI-851",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-09-23T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003ele noyau Linux d\u0027Ubuntu\u003c/span\u003e. Elles permettent \u00e0 un\nattaquant de provoquer un d\u00e9ni de service, une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es, un contournement de la politique de\ns\u00e9curit\u00e9 et une ex\u00e9cution de code arbitraire.\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-5633-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5630-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5621-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5634-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5622-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5624-1 du 21 sept. 2022",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5623-1 du 21 sept. 2022",
"url": null
}
]
}
CVE-2022-26365 (GCVE-0-2022-26365)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 05:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T05:03:32.784Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-403.txt"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "http://xenbits.xen.org/xsa/advisory-403.html"
},
{
"name": "[oss-security] 20220705 Xen Security Advisory 403 v3 (CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742) - Linux disk/nic frontends data leaks",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2022/07/05/6"
},
{
"name": "FEDORA-2022-c4ec706488",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/"
},
{
"name": "FEDORA-2022-2c9f8224f8",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/"
},
{
"name": "DSA-5191",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5191"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-403"
}
]
},
{
"product": "xen",
"vendor": "Xen",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-403"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027The issue related to not zeroing memory areas used for shared communications\\nwas discovered by Roger Pau Monn\u00e9 of Citrix.\\n\\nThe issue related to leaking contiguous data in granted pages was disclosed\\npublicly.\u0027}]}}}"
}
],
"descriptions": [
{
"lang": "en",
"value": "Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don\u0027t zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn\u0027t allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742)."
}
],
"metrics": [
{
"other": {
"content": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "An untrusted backend can access data not intended to be shared. If such\nmappings are made with write permissions the backend could also cause\nmalfunctions and/or crashes to consumers of contiguous data in the shared\npages."
}
]
}
},
"type": "unknown"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "unknown",
"lang": "en",
"type": "text"
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}
],
"providerMetadata": {
"dateUpdated": "2022-10-02T18:06:21",
"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"shortName": "XEN"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-403.txt"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "http://xenbits.xen.org/xsa/advisory-403.html"
},
{
"name": "[oss-security] 20220705 Xen Security Advisory 403 v3 (CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742) - Linux disk/nic frontends data leaks",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2022/07/05/6"
},
{
"name": "FEDORA-2022-c4ec706488",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/"
},
{
"name": "FEDORA-2022-2c9f8224f8",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/"
},
{
"name": "DSA-5191",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2022/dsa-5191"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@xen.org",
"ID": "CVE-2022-26365",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "?",
"version_value": "consult Xen advisory XSA-403"
}
]
}
}
]
},
"vendor_name": "Linux"
},
{
"product": {
"product_data": [
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"version": {
"version_data": [
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"version_value": "consult Xen advisory XSA-403"
}
]
}
}
]
},
"vendor_name": "Xen"
}
]
}
},
"configuration": {
"configuration_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "All Linux guests using PV devices are vulnerable in case potentially\nmalicious PV device backends are being used."
}
]
}
}
},
"credit": {
"credit_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "The issue related to not zeroing memory areas used for shared communications\nwas discovered by Roger Pau Monn\u00e9 of Citrix.\n\nThe issue related to leaking contiguous data in granted pages was disclosed\npublicly."
}
]
}
}
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
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"value": "Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don\u0027t zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn\u0027t allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742)."
}
]
},
"impact": {
"impact_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "An untrusted backend can access data not intended to be shared. If such\nmappings are made with write permissions the backend could also cause\nmalfunctions and/or crashes to consumers of contiguous data in the shared\npages."
}
]
}
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
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"value": "unknown"
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"references": {
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"name": "https://xenbits.xenproject.org/xsa/advisory-403.txt",
"refsource": "MISC",
"url": "https://xenbits.xenproject.org/xsa/advisory-403.txt"
},
{
"name": "http://xenbits.xen.org/xsa/advisory-403.html",
"refsource": "CONFIRM",
"url": "http://xenbits.xen.org/xsa/advisory-403.html"
},
{
"name": "[oss-security] 20220705 Xen Security Advisory 403 v3 (CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742) - Linux disk/nic frontends data leaks",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/07/05/6"
},
{
"name": "FEDORA-2022-c4ec706488",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/"
},
{
"name": "FEDORA-2022-2c9f8224f8",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/"
},
{
"name": "DSA-5191",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2022/dsa-5191"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
]
},
"workaround": {
"workaround_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "There is no mitigation available other than not using PV devices in case\na backend is suspected to be potentially malicious."
}
]
}
}
}
}
}
},
"cveMetadata": {
"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"assignerShortName": "XEN",
"cveId": "CVE-2022-26365",
"datePublished": "2022-07-05T12:50:28",
"dateReserved": "2022-03-02T00:00:00",
"dateUpdated": "2024-08-03T05:03:32.784Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-33655 (GCVE-0-2021-33655)
Vulnerability from cvelistv5
Published
2022-07-18 14:45
Modified
2024-08-03 23:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:58:22.899Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4"
},
{
"name": "[oss-security] 20220719 CVE-2021-33655: Linux kernel: When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.(5.18 5.19.0-rc1)",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2022/07/19/2"
},
{
"name": "DSA-5191",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5191"
},
{
"name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.18 5.19.0-rc1"
}
]
}
],
"descriptions": [
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CVE-2022-2318 (GCVE-0-2022-2318)
Vulnerability from cvelistv5
Published
2022-07-06 00:00
Modified
2024-08-03 00:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
References
Impacted products
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CVE-2022-34495 (GCVE-0-2022-34495)
Vulnerability from cvelistv5
Published
2022-06-26 15:28
Modified
2024-08-03 09:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.
References
| URL | Tags | |
|---|---|---|
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CVE-2022-34494 (GCVE-0-2022-34494)
Vulnerability from cvelistv5
Published
2022-06-26 15:28
Modified
2024-08-03 09:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.
References
| URL | Tags | |
|---|---|---|
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CVE-2022-33740 (GCVE-0-2022-33740)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 08:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2022-33742 (GCVE-0-2022-33742)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 08:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
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CVE-2022-1852 (GCVE-0-2022-1852)
Vulnerability from cvelistv5
Published
2022-06-30 12:42
Modified
2024-08-03 00:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
References
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CVE-2022-1729 (GCVE-0-2022-1729)
Vulnerability from cvelistv5
Published
2022-09-01 00:00
Modified
2024-08-03 00:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several exploit primitives such as kernel address information leak, arbitrary execution, etc.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | linux kernel |
Version: linux kernel 5.18 rc9 |
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CVE-2022-36946 (GCVE-0-2022-36946)
Vulnerability from cvelistv5
Published
2022-07-27 00:00
Modified
2025-05-05 16:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.
References
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CVE-2022-1943 (GCVE-0-2022-1943)
Vulnerability from cvelistv5
Published
2022-06-01 00:00
Modified
2024-08-03 00:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). A local user could use this flaw to crash the system or potentially
References
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CVE-2022-33743 (GCVE-0-2022-33743)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 08:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2022-2959 (GCVE-0-2022-2959)
Vulnerability from cvelistv5
Published
2022-08-25 00:00
Modified
2024-08-03 00:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.
References
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CVE-2022-2873 (GCVE-0-2022-2873)
Vulnerability from cvelistv5
Published
2022-08-22 00:00
Modified
2024-08-03 00:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-33744 (GCVE-0-2022-33744)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 08:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages.
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CVE-2022-33741 (GCVE-0-2022-33741)
Vulnerability from cvelistv5
Published
2022-07-05 12:50
Modified
2024-08-03 08:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-2503 (GCVE-0-2022-2503)
Vulnerability from cvelistv5
Published
2022-08-12 00:00
Modified
2025-04-21 13:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-302 - Authentication Bypass by Assumed-Immutable Data
Summary
Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux Kernel | Linux Kernel |
Version: unspecified < 4caae58406f8ceb741603eee460d79bacca9b1b5 |
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CVE-2022-1973 (GCVE-0-2022-1973)
Vulnerability from cvelistv5
Published
2022-08-05 00:00
Modified
2024-08-03 00:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in the Linux kernel in log_replay in fs/ntfs3/fslog.c in the NTFS journal. This flaw allows a local attacker to crash the system and leads to a kernel information leak problem.
References
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CVE-2021-33061 (GCVE-0-2021-33061)
Vulnerability from cvelistv5
Published
2022-02-09 22:04
Modified
2025-05-05 16:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- denial of service
Summary
Insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) 82599 Ethernet Controllers and Adapters |
Version: See references |
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CVE-2022-32296 (GCVE-0-2022-32296)
Vulnerability from cvelistv5
Published
2022-06-05 21:53
Modified
2024-08-03 07:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2022-1012 (GCVE-0-2022-1012)
Vulnerability from cvelistv5
Published
2022-08-05 00:00
Modified
2024-08-02 23:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
References
{
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"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2064604"
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"url": "https://security.netapp.com/advisory/ntap-20221020-0006/"
}
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"title": "CVE Program Container"
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"descriptions": [
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"value": "A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem."
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}
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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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