CVE-2022-49500

MEDIUM EPSS 10.4%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: wl1251: dynamically allocate memory used for DMA With introduction of vmap'ed stacks, stack parameters can no longer be used for DMA and now leads to kernel panic. It happens at several places for the wl1251 (e.g. when accessed through SDIO) making it unuseable on e.g. the OpenPandora. We solve this by allocating temporary buffers or use wl1251_read32(). Tested on v5.18-rc5 with OpenPandora.

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
10.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥5.18  –  <5.18.3

References 2

  • git.kernel.org https://git.kernel.org/stable/c/454744754cbf2c21b3fc7344e46e10bee2768094
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da03bbfbf5acd1ab0b074617e865ad1e8a5779ef
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/454744754cbf2c21b3fc7344e46e10bee2768094
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da03bbfbf5acd1ab0b074617e865ad1e8a5779ef
    Patch