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CVE-2022-2585It 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…
- 5.3MediumCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 29% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By canonical
- 18 months later
· 18 months later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| canonicalCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
The Linux Kernel Organization · linux
- affected < 6.0~rc1
References
References7
- https://ubuntu.com/security/notices/USN-5566-1 (opens in a new tab)third-party-advisoryx_transferred
- https://ubuntu.com/security/notices/USN-5564-1 (opens in a new tab)third-party-advisoryx_transferred
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585 (opens in a new tab)issue-trackingx_transferred
- https://ubuntu.com/security/notices/USN-5567-1 (opens in a new tab)third-party-advisoryx_transferred
- https://lore.kernel.org/lkml/[email protected]/T/#u (opens in a new tab)issue-trackingx_transferred
- https://www.openwall.com/lists/oss-security/2022/08/09/7 (opens in a new tab)issue-trackingx_transferred
- https://ubuntu.com/security/notices/USN-5565-1 (opens in a new tab)third-party-advisoryx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-34834 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-2585)Record last updated .