CVE-2024-50143
udf: fix uninit-value use in udf_get_fileshortad
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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
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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
References (9)
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