CVE-2024-49902
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
21.5th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2024-10-21 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-10-21 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
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.
Affected
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
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html