PT-2025-8404 · Linux+3 · Linux Kernel+3

Published 2022-01-01 · Updated 2026-03-14 · CVE-2022-49470

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 use-after-free issue has been identified in the Linux kernel, specifically in the btmtksdio recv event function. This issue occurs when the skb buffer data is accessed after the hci recv frame function has been called. The problem is related to the Bluetooth functionality.

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

Exploit

Use After Free

Double Free

Weakness Enumeration

CWE-416

CWE-415

Related Identifiers

BDU:2025-04339

CVE-2022-49470

SUSE-SU-2025:1176-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Debian

Linux Kernel

Suse

References · 1306

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49470.json · Exploit
• https://git.kernel.org/stable/c/02ba31e09a26e8cd4582ac8e6163d80284997727 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49470 · Security Note
• https://bdu.fstec.ru/vul/2025-04339 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49470 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49470 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0fab6361c4ba17d1b43a991bef4238a3c1754d35 · Patch
• https://ubuntu.com/security/CVE-2022-49470 · Vendor Advisory
• https://git.kernel.org/stable/c/01c6a899fa6be4f4cbf60c4f44f0f6691155415f · Patch
• https://git.kernel.org/stable/c/b3cec8a42fcd11d05313c724f27e01b1db77522c · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-49470 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49470 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49470 · Vendor Advisory