CVE-2024-26946 Affecting kernel-rt package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRT-6801880
- published 2 May 2024
- disclosed 1 May 2024
Introduced: 1 May 2024
CVE-2024-26946 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt 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:
kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic.
[ mingo: Clarified the comment. ]
References
- https://access.redhat.com/security/cve/CVE-2024-26946
- https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861
- https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b
- https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6
- https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483
- https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3