CVE-2024-38556 Affecting dlm-kmp-default package, versions <6.4.0-150600.23.14.2
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Test your applications- Snyk ID SNYK-SLES156-DLMKMPDEFAULT-7553540
- published 23 Jul 2024
- disclosed 22 Jul 2024
Introduced: 22 Jul 2024
CVE-2024-38556 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 dlm-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 dlm-kmp-default package and not the dlm-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:
net/mlx5: Add a timeout to acquire the command queue semaphore
Prevent forced completion handling on an entry that has not yet been assigned an index, causing an out of bounds access on idx = -22. Instead of waiting indefinitely for the sem, blocking flow now waits for index to be allocated or a sem acquisition timeout before beginning the timer for FW completion.
Kernel log example: mlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion
References
- https://www.suse.com/security/cve/CVE-2024-38556.html
- https://bugzilla.suse.com/1226774
- https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918
- https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7
- https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6
- https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b
- https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319