CVE-2023-53209

MEDIUM EPSS 4.0%
Published Sep 15, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel* <6.1.42
linuxlinux_kernel*≥6.2  –  <6.4.7

References 3

  • git.kernel.org https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e
    Patch