PT-2025-8157 · Linux+2 · Linux Kernel+2

Published 2022-02-03 · Updated 2025-09-29 · CVE-2022-49229

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 vulnerability in the Linux kernel has been resolved. The issue occurs when unregistering a physical clock that has virtual clocks enabled, which can cause an oops and trigger a page fault. This can happen when unloading a driver that provides a PTP clock and has enabled virtual clocks. The error is related to the ptp vclock read function and can lead to a crash.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALSA-2025_16880

BDU:2026-04043

CVE-2022-49229

RHSA-2022:8267

RHSA-2022_8267

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 22

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49229.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-49229 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49229 · Vendor Advisory
• https://git.kernel.org/stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced · Patch
• https://bdu.fstec.ru/vul/2026-04043 · Security Note
• https://git.kernel.org/stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49229 · Vendor Advisory
• https://git.kernel.org/stable/c/c49eafe6249f844c26f9866886cc6719d81762df · Patch
• https://git.kernel.org/stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49229 · Security Note
• https://ubuntu.com/security/CVE-2022-49229 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49229 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49229 · Vendor Advisory
• https://lore.kernel.org/linux-cve-announce/2025022622-CVE-2022-49229-2c2e@gregkh/T · Note
• https://access.redhat.com/security/cve/cve-2022-49229 · Note