CVE-2024-40977 — Improper Locking in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 12
Latest updateSep 23
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 preve…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6