Use After Free Affecting kernel-uek-core package, versions <0:5.15.0-2.52.3.el8uek
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-ORACLE8-KERNELUEKCORE-3031515
- published 22 Sep 2022
- disclosed 8 Jan 2024
Introduced: 22 Sep 2022
CVE-2022-2585 Open this link in a new tabHow to fix?
Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-2.52.3.el8uek or higher.
This issue was patched in ELSA-2022-9827.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-core package and not the kernel-uek-core package as distributed by Oracle.
See How to fix? for Oracle:8 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://linux.oracle.com/cve/CVE-2022-2585.html
- https://linux.oracle.com/errata/ELSA-2022-7318.html
- https://linux.oracle.com/errata/ELSA-2022-9827.html
- 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
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