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CVE-2022-2586: Linux Kernel Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2022-2586
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.

CSIRTS triage

vendor: Linuxproduct: Linux KernelPrivilege escalation
What
The vulnerability allows local attackers to escalate privileges.
Who is affected
Local users of the Linux Kernel.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patches for the Linux Kernel.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-06-26
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-2586

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-2586coverage & exploitation statusNVD · CVE.org

Recent advisories for Linux Kernel Use-After-Free

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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