Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-cross-headers (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-KERNELCROSSHEADERS-8497216
- published12 Dec 2024
- disclosed12 Jul 2024
Introduced: 12 Jul 2024
CVE-2024-40956 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list
Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The descriptor is freed via idxd_desc_complete() and there's a slight chance may cause issue for the list iterator when the descriptor is reused by another thread without it being deleted from the list.
References
- https://access.redhat.com/security/cve/CVE-2024-40956
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33
- https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5
- https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd
- https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7
- https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8