CVE-2024-50143

high

Description

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

References

https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d

https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7

https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b

https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61

https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2

https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1

https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8

Details

Source: Mitre, NVD

Published: 2024-11-07

Updated: 2024-11-15

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High