NULL Pointer Dereference Affecting kernel package, versions <0:4.14.322-244.536.amzn2
Threat Intelligence
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-AMZN2-KERNEL-6016413
- published 20 Oct 2023
- disclosed 23 Jun 2023
Introduced: 23 Jun 2023
CVE-2023-3212 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.322-244.536.amzn2 or higher.
This issue was patched in ALAS2-2023-2268.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=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