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Fixed

LIN1021-12159 : Security Advisory - linux - CVE-2024-50143

Created: Nov 7, 2024    Updated: Jun 8, 2026
Resolved Date: Jun 8, 2026
Found In Version: 10.21.20.1
Fix Version: 10.21.20.27
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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

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