CVE-2022-2586: The Linux Kernel Organization linux

Use after free in linux

CVSS 5.3 MediumCriticalIn CISA KEVEPSS 0.10 · 95th percentile

Critical, because:

In CISA’s KEV catalogue since 26 Jun 2024: it is known to be exploited.

Published by the CVE Program (CNA: canonical) at 8 Jan 2024, 17:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
The Linux Kernel Organization	linux Package name: linux	affected 3.16 to before 4.14.316 semver affected 4.15 to before 4.19.256 semver affected 4.20 to before 5.4.211 semver affected 5.5 to before 5.10.137 semver affected 5.11 to before 5.15.61 semver affected 5.16 to before 5.18.18 semver affected 5.19 to before 5.19.2 semver Other versions: unaffected

Identifiers

CVE-2022-2586

CNA

canonical

Weakness (CWE)

CWE-416

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H	CNA (canonical)

CISA KEV Listed since 26 Jun 2024: known to be exploited.
EPSS 0.10, the 95th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Jan 2024. New records show when each source confirmed them.

Sources

References from the CNA

ubuntu.com/security/notices/USN-5564-1 third-party-advisory
ubuntu.com/security/notices/USN-5560-2 third-party-advisory
ubuntu.com/security/notices/USN-5582-1 third-party-advisory
ubuntu.com/security/notices/USN-5567-1 third-party-advisory
ubuntu.com/security/notices/USN-5560-1 third-party-advisory
ubuntu.com/security/notices/USN-5566-1 third-party-advisory
www.openwall.com/lists/oss-security/2022/08/09/5 issue-tracking
ubuntu.com/security/notices/USN-5565-1 third-party-advisory
www.zerodayinitiative.com/advisories/ZDI-22-1118/ issue-tracking
lore.kernel.org/netfilter-devel/[email protected]/T/#t issue-tracking
ubuntu.com/security/notices/USN-5562-1 third-party-advisory
ubuntu.com/security/notices/USN-5557-1 third-party-advisory
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 issue-tracking

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.