CVE-2022-2585
It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.
- Published
- Jan 8, 2024
- Updated
- Sep 4, 2024
- Assigning CNA
- canonical
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 69.6%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.
Sources
- 2022-LPE-UAFExploit
Proof-of-concept exploit code for Linux kernel use-after-free vulnerabilities (CVE-2022-2585, CVE-2022-2586, CVE-2022-2588) enabling local privilege escalation, with references to DirtyCred research paper.
- 2022-LPE-UAFPoC
CVE-2022-2588,CVE-2022-2586,CVE-2022-2585
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