CVE-2024-49902
Published: October 23, 2024Last modified: October 23, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.114-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
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
- https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582
- https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0
- https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32
- https://git.kernel.org/stable/c/d76b9a4c283c7535ae7c7c9b14984e75402951e1