CVE-2024-49902 Information

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.

Reference

https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4 https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6 https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582 https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0 https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38 https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32