CVE-2024-50143
HIGH severity · CVSS 7.8 · CWE-908
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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/1ac49babc952f48d82676979b20885e480e69be8 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8Patch
- https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1Patch
- https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2Patch
- https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61Patch
- https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32bPatch
- https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7Patch
- https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58dPatch
- https://git.kernel.org/stable/c/0ce61b1f6b32df822b59c680cbe8e5ba5d335742