PT-2025-8405 · Linux+4 · Linux Kernel+4

Ping-Ke Shih · Published 2022-01-01 · Updated 2026-05-26 · CVE-2022-49471

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A vulnerability in the Linux kernel has been resolved. The issue is related to the rtw89 driver, where hardware reports an incorrect mac id, leading to memory pollution. The problem occurs when the index is not checked before accessing an array, resulting in an out-of-bounds error. This error is identified by the UBSAN (Undefined Behavior Sanitizer) as an array-index-out-of-bounds in the rtw89/phy.c file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Validation of Array Index

Weakness Enumeration

CWE-129

Related Identifiers

ALSA-2025_16880

CESA-2023_2951

CVE-2022-49471

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

Affected Products

Astra Linux

Centos

Debian

Linux Kernel

Red Hat

References · 16

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49471.json · Exploit
• https://git.kernel.org/stable/c/c32fafe68298bb599e825c298e1d0ba30186f0a5 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49471 · Vendor Advisory
• https://git.kernel.org/stable/c/97df85871a5b187609d30fca6d85b912d9e02f29 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49471 · Vendor Advisory
• https://git.kernel.org/stable/c/03ed236480aeec8c2fd327a1ea6d711364c495e3 · Patch
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-49471 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49471 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49471 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-49471 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49471 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49471 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/97df85871a5b187609d30fca6d85b912d9e02f29 · Note
• https://twitter.com/CVEnew/status/1895622697750581398 · Twitter Post