PT-2025-7985 · Linux+5 · Linux Kernel+5

Ming Lei · Published 2022-04-13 · Updated 2025-09-29 · CVE-2022-49057

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 (affected versions not specified)

Description A issue in the Linux kernel has been identified where a poll request is not completed when it times out, causing the request to be leaked and never completed. This occurs because when a poll request is timed out, it is removed from the poll list but not completed.

Recommendations For the Linux kernel, fix the issue by ending the poll request in the timeout handler.

Exploit

Fix

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2025_16880

BDU:2025-06011

CESA-2024_4211

CVE-2022-49057

RHSA-2022:8267

RHSA-2022_8267

RHSA-2024:4211

RHSA-2024_4211

SUSE-SU-2025:1176-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

Suse

References · 1305

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49057.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49057 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49057 · Security Note
• https://git.kernel.org/stable/c/3e3876d322aef82416ecc496a4d4a587e0fdf7a3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49057 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49057 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/407d09a22f3f685fd634aa5d05840c64b23bfebc · Patch
• https://ubuntu.com/security/CVE-2022-49057 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49057 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-06011 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49057 · Vendor Advisory
• https://suse.com/security/cve/CVE-2022-49579 · Note
• https://suse.com/security/cve/CVE-2022-49433 · Note