CVE-2026-80667
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete() on devcom error mlx5_mpesw_work() returned without calling complete() when mlx5_lag_get_devcom_comp() returned NULL. A caller that queued the work and waited on mpesww->comp would block indefinitely. Funnel the early-return path through a new "complete" label so the waiter is always woken.
Affected versions
Linux kernel versions
6.7
and later are affected. Fixed in
6.12.97,
6.18.40,
7.1.5,
7.2
and their respective stable series.
References
4 totalFrequently asked questions
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What is CVE-2026-80667?
CVE-2026-80667 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.7 onward and has been patched in 6.12.97, 6.18.40, 7.1.5 and others. CVE-2026-80667 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-2026-80667?
Yes. CVE-2026-80667 has been patched. Fixed versions include 6.12.97, 6.18.40, 7.1.5 and others. If you are running Linux kernel 6.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-80667 actively exploited?
No. CVE-2026-80667 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.