CVE-2025-40170 The advisory has been revoked - it doesn't affect any version of package libperf (opens in a new tab)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-ALMALINUX10-LIBPERF-15236822
- published6 Feb 2026
- disclosed9 Feb 2026
Introduced: 6 Feb 2026
CVE-2025-40170 (opens in a new tab)Amendment
The AlmaLinux security team deemed this advisory irrelevant for AlmaLinux:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libperf package and not the libperf package as distributed by AlmaLinux.
In the Linux kernel, the following vulnerability has been resolved:
net: use dst_dev_rcu() in sk_setup_caps()
Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size().
Also use dst_dev_rcu() in ip6_dst_mtu_maybe_forward(), and ip_dst_mtu_maybe_forward().
ip4_dst_hoplimit() can use dst_dev_net_rcu().
References
- https://errata.almalinux.org/10/ALSA-2026-1690.html
- https://errata.almalinux.org/9/ALSA-2026-2212.html
- https://errata.almalinux.org/8/ALSA-2026-2264.html
- https://access.redhat.com/security/cve/CVE-2025-40170
- https://access.redhat.com/errata/RHSA-2026:1690
- https://access.redhat.com/errata/RHSA-2026:2212
- https://access.redhat.com/errata/RHSA-2026:2264
- https://git.kernel.org/stable/c/99a2ace61b211b0be861b07fbaa062fca4b58879
- https://git.kernel.org/stable/c/a805729c0091073d8f0415cfa96c7acd1bc17a48
- https://git.kernel.org/stable/c/5d1be493d1110c9e720b4c51a6e587bb2fb4ac12