CVE-2021-47091

mac80211: fix locking in ieee80211_start_ap error path

published March 4, 2024

CVSS
—
EPSS
0%
Percentile
6.0
In the wild
Unconfirmed
What it is

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

mac80211: fix locking in ieee80211_start_ap error path

We need to hold the local->mtx to release the channel context,

as even encoded by the lockdep_assert_held() there. Fix it.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00170 · 6.0th percentile
Published
2024-03-04T18:10Z
EPSS history
Timeline
  • 04 MAR 18:10Z
    mac80211: fix locking in ieee80211_start_ap error path
    cvelistv5