Dashboard / CVE-2023-4385

CVE-2023-4385

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2023-08-16 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
linux linux_kernel < 5.18.19

References & Advisories (3)

https://bugzilla.redhat.com/show_bug.cgi?id=2219272
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.23%
Raw Score 0.002330
Percentile 14.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00233
2026-11-12
0.00233
2026-11-10
0.00233
2026-11-09
0.00233
2026-11-08
0.00233
2026-11-07
0.00233
2026-11-06
0.00233

Intelligence Sources

mitre ref →
nvd ref →

External Links