CVE-2024-49902

MEDIUM

Linux Kernel - Out-of-Bounds Access in JFS dmap Tree Leaf Index Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf. Shaggy: Modified sanity check to apply to control pages as well as leaf pages.

References (13)

Core 13
Core References

Scores

CVSS v3 5.5
EPSS 0.0028
EPSS Percentile 19.9%
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

Status published
Products (29)
linux/Kernel 2.6.12 - 4.19.323linux
linux/Kernel 4.20.0 - 5.4.285linux
linux/Kernel 5.11.0 - 5.15.168linux
linux/Kernel 5.16.0 - 6.1.113linux
linux/Kernel 5.5.0 - 5.10.227linux
linux/Kernel 6.11.0 - 6.11.3linux
linux/Kernel 6.2.0 - 6.6.55linux
linux/Kernel 6.7.0 - 6.10.14linux
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 058aa89b3318be3d66a103ba7c68d717561e1dc6
... and 19 more
Published Oct 21, 2024
Tracked Since Feb 18, 2026