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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545 cve-icon cve-icon
https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6 cve-icon cve-icon
https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025091510-CVE-2023-53209-ed9e@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53209 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53209 cve-icon
History

Thu, 04 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Wed, 17 Sep 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Tue, 16 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Mon, 15 Sep 2025 14:45:00 +0000

Type Values Removed Values Added
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.
Title wifi: mac80211_hwsim: Fix possible NULL dereference
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-15T14:21:37.415Z

Updated: 2025-09-15T14:21:37.415Z

Reserved: 2025-09-15T13:59:19.068Z

Link: CVE-2023-53209

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-09-15T15:15:47.437

Modified: 2025-12-04T15:05:57.960

Link: CVE-2023-53209

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-15T00:00:00Z

Links: CVE-2023-53209 - Bugzilla