Riskcovery

CVE-2021-47091

mac80211: fix locking in ieee80211_start_ap error path

State
Published
Severity
Not scored
Published
Mar 4, 2024
Updated
May 11, 2026
Reserved
Feb 29, 2024

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 295b02c4be74bebf988593b8322369513fcecf68 to before ac61b9c6c0549aaeb98194cf429d93c41bfe5f79Affected
  • 295b02c4be74bebf988593b8322369513fcecf68 to before c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44fAffected
  • 295b02c4be74bebf988593b8322369513fcecf68 to before 87a270625a89fc841f1a7e21aae6176543d8385cAffected
LinuxLinux
  • 5.10Affected
  • before 5.10Not affected
  • 5.10.89 through 5.10.*Not affected
  • 5.15.12 through 5.15.*Not affected
  • 5.16 and laterNot affected

References

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