Riskcovery

CVE-2024-40977

wifi: mt76: mt7921s: fix potential hung tasks during chip recovery

State
Published
Severity
Not scored
Published
Jul 12, 2024
Updated
May 11, 2026
Reserved
Jul 12, 2024

Read the record on cve.org

Description

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

wifi: mt76: mt7921s: fix potential hung tasks during chip recovery

During chip recovery (e.g. chip reset), there is a possible situation that kernel worker reset_work is holding the lock and waiting for kernel thread stat_worker to be parked, while stat_worker is waiting for the release of the same lock. It causes a deadlock resulting in the dumping of hung tasks messages and possible rebooting of the device.

This patch prevents the execution of stat_worker during the chip recovery.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 7bc04215a66b60e198aecaee8418f6d79fa19faa to before 0b81faa05b0b9feb3ae2d69be1d21f0d126ecb08Affected
  • 7bc04215a66b60e198aecaee8418f6d79fa19faa to before 85edd783f4539a994d66c4c014d5858f490b7a02Affected
  • 7bc04215a66b60e198aecaee8418f6d79fa19faa to before e974dd4c22a23ec3ce579fb6d31a674ac0435da9Affected
  • 7bc04215a66b60e198aecaee8418f6d79fa19faa to before ecf0b2b8a37c8464186620bef37812a117ff6366Affected
LinuxLinux
  • 4.16Affected
  • before 4.16Not affected
  • 6.1.96 through 6.1.*Not affected
  • 6.6.36 through 6.6.*Not affected
  • 6.9.7 through 6.9.*Not affected
  • 6.10 and laterNot affected

References

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