CVE-2024-44938

MEDIUM

Linux Kernel - Out-of-bounds Write in JFS dbDiscardAG Function

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exiting the loop directly when negative shift is found.

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (20)
linux/Kernel 3.7.0 - 5.10.237linux
linux/Kernel 5.11.0 - 5.15.181linux
linux/Kernel 5.16.0 - 6.1.107linux
linux/Kernel 6.2.0 - 6.6.47linux
linux/Kernel 6.7.0 - 6.10.6linux
Linux/Linux < 3.7
Linux/Linux 3.7
Linux/Linux 5.10.237 - 5.10.*
Linux/Linux 5.15.181 - 5.15.*
Linux/Linux 6.1.107 - 6.1.*
... and 10 more
Published Aug 26, 2024
Tracked Since Feb 18, 2026