Use After Free Affecting kernel-core package, versions <0:5.14.0-70.30.1.el9_0
Threat Intelligence
EPSS
0.04% (6th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-3383089
- published 10 Aug 2022
- disclosed 9 Aug 2022
Introduced: 9 Aug 2022
CVE-2022-2585 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-70.30.1.el9_0 or higher.
This issue was patched in RHSA-2022:7318.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2022-2585
- https://access.redhat.com/errata/RHSA-2022:7318
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
- https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5567-1
- https://www.openwall.com/lists/oss-security/2022/08/09/7
CVSS Scores
version 3.1