CVE-2024-50143

udf: fix uninit-value use in udf_get_fileshortad

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

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b patch
https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2 patch
https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61 patch
https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7 patch
https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8 patch
https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d patch
https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1 patch

Frequently Asked Questions

What is the severity of CVE-2024-50143?
CVE-2024-50143 has been scored as a high severity vulnerability.
How to fix CVE-2024-50143?
To fix CVE-2024-50143, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50143 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-50143 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50143?
CVE-2024-50143 affects Linux Linux, Linux Linux.
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