CVE-2023-4385

medium

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.

References

Advisories
More

https://bugzilla.redhat.com/show_bug.cgi?id=2219272

https://access.redhat.com/security/cve/CVE-2023-4385

https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f

https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-54249

Details

Source: Mitre, NVD

Published: 2023-08-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H