Untrusted Pointer Dereference Affecting perf package, versions <0:4.18.0-477.74.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-8086742
- published 24 Sep 2024
- disclosed 30 May 2024
Introduced: 30 May 2024
CVE-2024-36929 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-477.74.1.el8_8 or higher.
This issue was patched in RHSA-2024:6993.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net: core: reject skb_copy(_expand) for fraglist GSO skbs
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become invalid. Return NULL if such an skb is passed to skb_copy or skb_copy_expand, in order to prevent a crash on a potential later call to skb_gso_segment.
References
- https://access.redhat.com/security/cve/CVE-2024-36929
- https://git.kernel.org/stable/c/989bf6fd1e1d058e73a364dce1a0c53d33373f62
- https://git.kernel.org/stable/c/aea5e2669c2863fdd8679c40ee310b3bcaa85aec
- https://git.kernel.org/stable/c/c7af99cc21923a9650533c9d77265c8dd683a533
- https://git.kernel.org/stable/c/cfe34d86ef9765c388f145039006bb79b6c81ac6
- https://git.kernel.org/stable/c/d091e579b864fa790dd6a0cd537a22c383126681
- https://git.kernel.org/stable/c/faa83a7797f06cefed86731ba4baa3b4dfdc06c1
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html