CVE-2026-74432
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).
Affected versions
Linux kernel versions
6.6.100,
6.12.40,
6.15.8,
6.16
and later are affected. Fixed in
6.6.145,
6.12.97,
6.18.40,
7.1.5,
7.2-rc1
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-74432?
CVE-2026-74432 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.6.100 onward and has been patched in 6.6.145, 6.12.97, 6.18.40 and others. CVE-2026-74432 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-74432?
Yes. CVE-2026-74432 has been patched. Fixed versions include 6.6.145, 6.12.97, 6.18.40 and others. If you are running Linux kernel 6.6.100 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-74432 actively exploited?
No. CVE-2026-74432 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.