Bug 2324320 (CVE-2024-50143) - CVE-2024-50143 kernel: udf: fix uninit-value use in udf_get_fileshortad
Summary: CVE-2024-50143 kernel: udf: fix uninit-value use in udf_get_fileshortad
Keywords:
Status: NEW
Alias: CVE-2024-50143
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-11-07 10:01 UTC by OSIDB Bzimport
Modified: 2025-05-13 08:33 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2025:6966 0 None None None 2025-05-13 08:33:11 UTC

Description OSIDB Bzimport 2024-11-07 10:01:40 UTC 
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
Comment 1 Robb Gatica 2024-11-07 16:18:22 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024110743-CVE-2024-50143-4678@gregkh/T
Comment 2 errata-xmlrpc 2025-05-13 08:33:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:6966 https://access.redhat.com/errata/RHSA-2025:6966
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