ClosedMediumPatched

Linux Kernel Use-After-Free

Linux Kernel

Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges. Added to the CISA KEV catalog on 2024-06-26. CVE-2022-2586 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 5.3 (v3.1, CNA), actively exploited (CISA KEV)

Started: Jan 8, 2024
Closed: Jun 26, 2024
CVE: CVE-2022-2586

Updated Jun 26, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline2

Jun 26, 2024
CISA added CVE-2022-2586 to the KEV catalog (federal deadline 2024-07-17)
Source
Jan 8, 2024
CVE-2022-2586 published
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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