CVE-2023-53113

MEDIUM EPSS 5.3%
Published May 2, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 2, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NULL-ptr deref in offchan check If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore this link.

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
5.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.19.2  –  <6.1.21
linuxlinux_kernel*≥6.2  –  <6.2.8
linuxlinux_kernel6.3any
linuxlinux_kernel6.3any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705
    Patch