PT-2026-20438 · Linux+1 · Linux Kernel+1

Published 2025-01-01 · Updated 2026-04-20 · CVE-2025-71229

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.9

Description The rtw core enable beacon() function within the rtw88 module in the Linux kernel contains a flaw where it attempts to read 4 bytes from a memory address that is not properly aligned. This misalignment can lead to a crash on certain systems, specifically triggering an alignment fault. The issue occurs due to the function performing unaligned memory access. The vulnerable function is rtw core enable beacon().

Recommendations Update to Linux kernel version 6.17.9 or later.

Exploit

Fix

Related Identifiers

CVE-2025-71229

ECHO-A059-B8ED-569A

OPENSUSE-SU-2026:10387-1

OPENSUSE-SU-2026:20416-1

SUSE-SU-2026:0962-1

SUSE-SU-2026:1081-1

SUSE-SU-2026:20667-1

SUSE-SU-2026:20720-1

SUSE-SU-2026:20838-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

SUSE-SU-2026:20931-1

SUSE-SU-2026:21284-1

Affected Products

Linux Kernel

Rtw88

References · 1594

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71229.json · Exploit
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2025-71229 · Vendor Advisory
• https://git.kernel.org/stable/c/7d31dde1bd8678115329e46dc8d7afb63c176b74 · Patch
• https://git.kernel.org/stable/c/0177aa828d966117ea30a44f2e1890fdb356118e · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-71229 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-71229 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2025-71229 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20720-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-71229 · Security Note
• https://git.kernel.org/stable/c/71dee092903adb496fe1f357b267d94087b679e0 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-71229 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71229 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:20416-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2025-71229 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20876-1 · Vendor Advisory