CVE-2023-53277

MEDIUM EPSS 4.2%
Published Sep 16, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 16, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwl3945: Add missing check for create_singlethread_workqueue Add the check for the return value of the create_singlethread_workqueue in order to avoid NULL pointer dereference.

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
4.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥2.6.24  –  <4.19.276
linuxlinux_kernel*≥4.20  –  <5.4.235
linuxlinux_kernel*≥5.5  –  <5.10.173
linuxlinux_kernel*≥5.11  –  <5.15.99
linuxlinux_kernel*≥5.16  –  <6.1.16
linuxlinux_kernel*≥6.2  –  <6.2.3

References 7

  • git.kernel.org https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ae2fc4de12686f3fe695824169c1272c9f798f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ae2fc4de12686f3fe695824169c1272c9f798f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5
    Patch