Use After Free The advisory has been revoked - it doesn't affect any version of package bpftool  (opens in a new tab)


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EPSS
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  • Snyk IDSNYK-CENTOS9-BPFTOOL-13983855
  • published14 Nov 2025
  • disclosed12 Nov 2025

Introduced: 12 Nov 2025

CVE-2025-40168  (opens in a new tab)
CWE-416  (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 bpftool package and not the bpftool package as distributed by Centos.

In the Linux kernel, the following vulnerability has been resolved:

smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

smc_clc_prfx_match() is called from smc_listen_work() and not under RCU nor RTNL.

Using sk_dst_get(sk)->dev could trigger UAF.

Let's use __sk_dst_get() and dst_dev_rcu().

Note that the returned value of smc_clc_prfx_match() is not used in the caller.