CVE-2023-53209

wifi: mac80211_hwsim: Fix possible NULL dereference

State
Published
Severity
5.5 Medium
Published
Sep 15, 2025
Updated
May 11, 2026
Reserved
Sep 15, 2025

Read the record on cve.org

Description

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

wifi: mac80211_hwsim: Fix possible NULL dereference

In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • 86e74a08fecb59985bb2d5fe3e96dc108822a420 to before d0124848c7940aba73492e282506b32a13f2e30eAffected
  • 86e74a08fecb59985bb2d5fe3e96dc108822a420 to before a8a20fed3e05b3a6866c5c58855deaf3c217ccd6Affected
  • 86e74a08fecb59985bb2d5fe3e96dc108822a420 to before 0cc80943ef518a1c51a1111e9346d1daf11dd545Affected
LinuxLinux
  • 6.1Affected
  • before 6.1Not affected
  • 6.1.42 through 6.1.*Not affected
  • 6.4.7 through 6.4.*Not affected
  • 6.5 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.