PT-2025-8216 · Linux+4 · Linux Kernel+4

Takashi Iwai · Published 2022-03-22 · Updated 2026-02-04 · CVE-2022-49288

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 The issue is related to a lack of protection against concurrent changes to PCM buffer preallocation via proc files in the Linux kernel, potentially leading to use-after-free (UAF) issues or other problems. The problem arises from the absence of synchronization during proc write operations and PCM stream opens.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2025_16880

BDU:2025-10267

CESA-2022_7683

CVE-2022-49288

OPENSUSE-SU-2025_1263-1

RHSA-2022:7683

RHSA-2022:8267

RHSA-2022_7683

RHSA-2022_8267

SUSE-SU-2025:0983-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025:1293-1

SUSE-SU-2025_0983-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

SUSE-SU-2025_1293-1

SUSE-SU-2026:0385-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1511

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49288.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:0385-1 · Vendor Advisory
• https://git.kernel.org/stable/c/37b12c16beb6f6c1c3c678c1aacbc46525c250f7 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49288 · Security Note
• https://git.kernel.org/stable/c/5ed8f8e3c4e59d0396b9ccf2e639711e24295bb6 · Patch
• https://osv.dev/vulnerability/CVE-2022-49288 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e14dca613e0a6ddc2bf6e360f16936a9f865205b · Patch
• https://git.kernel.org/stable/c/69534c48ba8ce552ce383b3dfdb271ffe51820c3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49288 · Vendor Advisory
• https://git.kernel.org/stable/c/b560d670c87d7d40b3cf6949246fa4c7aa65a00a · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49288 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory