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CERTFR-2019-AVI-115
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer un déni de service et une élévation de privilèges.
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 16.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 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-2018-19985",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-19985"
},
{
"name": "CVE-2017-18241",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-18241"
},
{
"name": "CVE-2018-1120",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-1120"
},
{
"name": "CVE-2018-7740",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-7740"
},
{
"name": "CVE-2019-6133",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-6133"
}
],
"initial_release_date": "2019-03-18T00:00:00",
"last_revision_date": "2019-03-18T00:00:00",
"links": [],
"reference": "CERTFR-2019-AVI-115",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2019-03-18T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de\nservice et une \u00e9l\u00e9vation de privil\u00e8ges.\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-3910-2 du 15 mars 2019",
"url": "https://usn.ubuntu.com/3910-2/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3910-1 du 15 mars 2019",
"url": "https://usn.ubuntu.com/3910-1/"
}
]
}
CVE-2018-19985 (GCVE-0-2018-19985)
Vulnerability from cvelistv5
Published
2019-03-17 19:48
Modified
2024-08-05 11:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.
References
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"url": "https://security.netapp.com/advisory/ntap-20190404-0002/"
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},
{
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{
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CVE-2018-1120 (GCVE-0-2018-1120)
Vulnerability from cvelistv5
Published
2018-06-20 13:00
Modified
2024-08-05 03:51
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||
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},
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},
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{
"name": "[oss-security] 20180517 Qualys Security Advisory - Procps-ng Audit Report",
"tags": [
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}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 2.8,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
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"scope": "UNCHANGED",
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},
{
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"x_refsource_BID"
],
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},
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],
"url": "https://usn.ubuntu.com/3752-3/"
},
{
"name": "GLSA-201805-14",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "https://security.gentoo.org/glsa/201805-14"
},
{
"name": "44806",
"tags": [
"exploit",
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],
"url": "https://www.exploit-db.com/exploits/44806/"
},
{
"name": "USN-3910-1",
"tags": [
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"url": "https://usn.ubuntu.com/3910-1/"
},
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CVE-2019-6133 (GCVE-0-2019-6133)
Vulnerability from cvelistv5
Published
2019-01-11 14:00
Modified
2024-08-04 20:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
References
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|
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CVE-2017-18241 (GCVE-0-2017-18241)
Vulnerability from cvelistv5
Published
2018-03-21 16:00
Modified
2024-08-05 21:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.
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CVE-2018-7740 (GCVE-0-2018-7740)
Vulnerability from cvelistv5
Published
2018-03-07 08:00
Modified
2024-08-05 06:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.
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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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