CVE-2023-3212
MediumCVSS 4.4Exploitation Probability (EPSS)
Low risk17th percentile - higher than 17% of all known CVEs
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.
Risk Assessment
A privileged local user could use this flaw to cause a kernel panic, potentially leading to system crashes.
Recommendation
It is recommended to monitor gfs2 file systems and update the Linux kernel to the latest version to mitigate the risk of this vulnerability.
Original NVD description (English source)
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.