CVE-2024-46710 Affecting kernel-rt-doc package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTDOC-8018202
- published 17 Sep 2024
- disclosed 13 Sep 2024
Introduced: 13 Sep 2024
CVE-2024-46710 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt-doc.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-doc package and not the kernel-rt-doc package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Prevent unmapping active read buffers
The kms paths keep a persistent map active to read and compare the cursor buffer. These maps can race with each other in simple scenario where: a) buffer "a" mapped for update b) buffer "a" mapped for compare c) do the compare d) unmap "a" for compare e) update the cursor f) unmap "a" for update At step "e" the buffer has been unmapped and the read contents is bogus.
Prevent unmapping of active read buffers by simply keeping a count of how many paths have currently active maps and unmap only when the count reaches 0.
References
- https://access.redhat.com/security/cve/CVE-2024-46710
- https://git.kernel.org/stable/c/aba07b9a0587f50e5d3346eaa19019cf3f86c0ea
- https://git.kernel.org/stable/c/d5228d158e4c0b1663b3983044913c15c3d0135e
- https://git.kernel.org/stable/c/0851b1ec650adadcaa23ec96daad95a55bf966f0
- https://git.kernel.org/stable/c/58a3714db4d9dcaeb9fc4905141e17b9f536c0a5