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9.8
CVE-2026-53086: Linux bcmgenet Network Driver Queue Timeout Fix
CVE-2026-53086
Summary
A bug in the bcmgenet network driver was causing issues with network queues. This fix ensures that only the affected queue is restarted when a timeout occurs, preventing other queues from being disrupted. Update your Linux system to apply this fix.
Original title
In the Linux kernel, the following vulnerability has been resolved:
net: bcmgenet: fix racing timeout handler
The bcmgenet_timeout handler tries to take down all tx queues when
a single queue tim...
Original description
In the Linux kernel, the following vulnerability has been resolved:
net: bcmgenet: fix racing timeout handler
The bcmgenet_timeout handler tries to take down all tx queues when
a single queue times out. This is over zealous and causes many race
conditions with queues that are still chugging along. Instead lets
only restart the timed out queue.
net: bcmgenet: fix racing timeout handler
The bcmgenet_timeout handler tries to take down all tx queues when
a single queue times out. This is over zealous and causes many race
conditions with queues that are still chugging along. Instead lets
only restart the timed out queue.
nvd CVSS3.1
9.8
- https://git.kernel.org/stable/c/5393b2b5bee2ac51a0043dc7f4ac3475f053d08d
- https://git.kernel.org/stable/c/681fdfe823b4f1036ed50b58b8838c7917ea389c
- https://git.kernel.org/stable/c/7ce1c26aac3b318886a57425f64b522da7389153
- https://git.kernel.org/stable/c/c270e2bec3e55a716d25c35341091339457ac883
- https://git.kernel.org/stable/c/e8206538cbaf4f4068e99a4cb1138690a1e00499
- https://git.kernel.org/stable/c/e85b0c0a12e967930044608311471b665baa315c
Published: 24 Jun 2026 · Updated: 23 Jul 2026 · First seen: 28 Jun 2026