CVE-2024-38629 Affecting cluster-md-kmp-default package, versions <6.4.0-150600.23.14.2
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Test your applications- Snyk ID SNYK-SLES156-CLUSTERMDKMPDEFAULT-7554385
- published 23 Jul 2024
- disclosed 22 Jul 2024
Introduced: 22 Jul 2024
CVE-2024-38629 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 cluster-md-kmp-default to version 6.4.0-150600.23.14.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cluster-md-kmp-default package and not the cluster-md-kmp-default package as distributed by SLES.
See How to fix? for SLES:15.6 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Avoid unnecessary destruction of file_ida
file_ida is allocated during cdev open and is freed accordingly during cdev release. This sequence is guaranteed by driver file operations. Therefore, there is no need to destroy an already empty file_ida when the WQ cdev is removed.
Worse, ida_free() in cdev release may happen after destruction of file_ida per WQ cdev. This can lead to accessing an id in file_ida after it has been destroyed, resulting in a kernel panic.
Remove ida_destroy(&file_ida) to address these issues.
References
- https://www.suse.com/security/cve/CVE-2024-38629.html
- https://bugzilla.suse.com/1226905
- https://git.kernel.org/stable/c/15edb906211bf53e7b5574f7326ab734d6bff4f9
- https://git.kernel.org/stable/c/76e43fa6a456787bad31b8d0daeabda27351a480
- https://git.kernel.org/stable/c/9eb15f24a0b9b017b39cde8b8c07243676b63687