CVE-2024-36911 Affecting dlm-kmp-default package, versions <6.4.0-150600.23.17.1
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Test your applications- Snyk ID SNYK-SLES156-DLMKMPDEFAULT-7648673
- published 8 Aug 2024
- disclosed 7 Aug 2024
Introduced: 7 Aug 2024
CVE-2024-36911 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 dlm-kmp-default to version 6.4.0-150600.23.17.1 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:
hv_netvsc: Don't free decrypted memory
In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues.
The netvsc driver could free decrypted/shared pages if set_memory_decrypted() fails. Check the decrypted field in the gpadl to decide whether to free the memory.
References
- https://www.suse.com/security/cve/CVE-2024-36911.html
- https://bugzilla.suse.com/1225745
- https://git.kernel.org/stable/c/4aaed9dbe8acd2b6114458f0498a617283d6275b
- https://git.kernel.org/stable/c/a56fe611326332bf6b7126e5559590c57dcebad4
- https://git.kernel.org/stable/c/bbf9ac34677b57506a13682b31a2a718934c0e31