CVE-2024-50143

udf: fix uninit-value use in udf_get_fileshortad

CVSS 7.8 HIGHEPSS 0.3%CWE-908

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 Nov 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

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

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/0ce61b1f6b32df822b59c680cbe8e5ba5d335742 https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8 https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1 https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2 https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61 https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7 https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html