Use After Free Affecting kernel-uek-core package, versions <0:5.15.0-201.135.6.el8uek
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Test your applications- Snyk ID SNYK-ORACLE8-KERNELUEKCORE-6126360
- published 15 Dec 2023
- disclosed 27 Sep 2023
Introduced: 27 Sep 2023
CVE-2023-5197 Open this link in a new tabHow to fix?
Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-201.135.6.el8uek or higher.
This issue was patched in ELSA-2023-13043.
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.
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free.
We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.
References
- https://linux.oracle.com/cve/CVE-2023-5197.html
- https://linux.oracle.com/errata/ELSA-2023-13043.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325
- https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html