NULL Pointer Dereference Affecting kernel-tools package, versions <0:4.18.0-513.5.1.el8_9
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-5705377
- published 13 Jun 2023
- disclosed 28 Apr 2023
Introduced: 28 Apr 2023
CVE-2023-3212 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in RHSA-2023:7077.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
References
- https://access.redhat.com/security/cve/CVE-2023-3212
- https://bugzilla.redhat.com/show_bug.cgi?id=2214348
- https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20230929-0005/
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html