CVE-2024-49902

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.

CVSS 3.1

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

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

Published

2024-10-21

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6
• https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4
• https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab
• https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792
• https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38

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