CVE-2024-49902
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6Patch
- https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4Patch
- https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7abPatch
- https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792Patch
- https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38Patch
- https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582Patch
- https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0Patch
- https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32Patch