VulnerabilityModified
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.
HIGH 7.8EPSS 1.28%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.28% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- security@ubuntu.com
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585Third Party Advisory
- https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#uMailing List, Patch
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/7Mailing List
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585Third Party Advisory
- https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#uMailing List, Patch
- https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/7Mailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.