CVE-2023-53251

MEDIUM EPSS 3.3%
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: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler() rxq can be NULL only when trans_pcie->rxq is NULL and entry->entry is zero. For the case when entry->entry is not equal to 0, rxq won't be NULL even if trans_pcie->rxq is NULL. Modify checker to check for trans_pcie->rxq.

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
3.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.12  –  <5.15.121
linuxlinux_kernel*≥5.16  –  <6.1.39
linuxlinux_kernel*≥6.2  –  <6.3.13
linuxlinux_kernel*≥6.4  –  <6.4.4

References 5

  • git.kernel.org https://git.kernel.org/stable/c/1902f1953b8ba100ee8705cb8a6f1a9795550eca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d690495eb2766d58e25c83676f422219c4fcf18
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/390e44efcf4d390b5053ad112553155d2d097c73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f71d0fc407dd028416bec002ddcc62f5acb0346a
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1902f1953b8ba100ee8705cb8a6f1a9795550eca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d690495eb2766d58e25c83676f422219c4fcf18
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/390e44efcf4d390b5053ad112553155d2d097c73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f71d0fc407dd028416bec002ddcc62f5acb0346a
    Patch