Memory Leak The advisory has been revoked - it doesn't affect any version of package perf (opens in a new tab)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-CENTOS10-PERF-19241900
- published25 Aug 2026
- disclosed22 Aug 2026
Introduced: 22 Aug 2026
CVE-2026-74695 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos.
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_flow_table: drop existing skb dst before skb_dst_set_noref()
Incoming skbs passing through netfilter flowtable offload hooks (or XFRM offload path) might already carry a ref-counted dst_entry assigned during earlier RX or routing steps.
Calling skb_dst_set_noref() when skb already holds a ref-counted dst overwrites skb->_skb_refdst, leaking the previous dst_entry reference count and triggering a DEBUG_NET_WARN_ON_ONCE assertion in skb_dst_check_unset():
WARNING: at skb_dst_check_unset include/linux/skbuff.h:1170 WARNING: at skb_dst_set_noref include/linux/skbuff.h:1234 WARNING: at nf_flow_offload_ip_hook+0xf6c/0x2b60 net/netfilter/nf_flow_table_ip.c:864
Drop any existing dst_entry reference with skb_dst_drop(skb) before setting the non-referenced flowtable destination.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2521382
- https://access.redhat.com/security/cve/CVE-2026-74695
- https://git.kernel.org/stable/c/12afa450a6a6c0cce2c42b7545a9958f62d8a00c
- https://git.kernel.org/stable/c/538e67e8c7889cf5f93951f5309d1bcb41f86036
- https://git.kernel.org/stable/c/8aecf0bbcc72605592134c917c222207d8f63ab0
- https://git.kernel.org/stable/c/274f544a32c08638ee887f2e27e3235b6b1237d4
- https://git.kernel.org/stable/c/4db3b48a966ed479b99cc8319ea9e46d4f7c703b
- https://git.kernel.org/stable/c/763f59b72ddaf18d0750d53083a74355f6c003c8