Information Exposure The advisory has been revoked - it doesn't affect any version of package kernel-64k-devel (opens in a new tab)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-CENTOS9-KERNEL64KDEVEL-9542811
- published28 Mar 2025
- disclosed27 Mar 2025
Introduced: 27 Mar 2025
CVE-2023-52996 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-64k-devel package and not the kernel-64k-devel package as distributed by Centos.
In the Linux kernel, the following vulnerability has been resolved:
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
if (!type) continue; if (type > RTAX_MAX) return false; ... fi_val = fi->fib_metrics->metrics[type - 1];
@type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.
References
- https://access.redhat.com/security/cve/CVE-2023-52996
- https://git.kernel.org/stable/c/5e9398a26a92fc402d82ce1f97cc67d832527da0
- https://git.kernel.org/stable/c/7f9828fb1f688210e681268490576f0ca65c322a
- https://git.kernel.org/stable/c/8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d
- https://git.kernel.org/stable/c/ca3cf947760de050d558293002ad3e7f4b8745d2
- https://git.kernel.org/stable/c/f9753ebd61be2d957b5504cbd3fd719674f05b7a