Vulnerability Description
A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.18.19 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-4385Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219272Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1Patch
- https://access.redhat.com/security/cve/CVE-2023-4385Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219272Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1Patch
FAQ
What is CVE-2023-4385?
CVE-2023-4385 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a mis...
How severe is CVE-2023-4385?
CVE-2023-4385 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4385?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.