Vulnerabilities > CVE-2023-3212 - NULL Pointer Dereference vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
- https://bugzilla.redhat.com/show_bug.cgi?id=2214348
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480
- https://security.netapp.com/advisory/ntap-20230929-0005/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html