PT-2025-40728 · Linux+2 · Linux Kernel+2

Published 2023-11-07 · Updated 2025-12-23 · CVE-2022-50494

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 5.19.0-rc7+

Description The Linux kernel contains an issue where using smp processor id() can lead to a kernel crash when CPU 0 is offline and intel powerclamp is used to inject idle. This occurs because the function is called in preemptible code, resulting in a BUG. The issue is triggered when CPU 0 is the control CPU and is subsequently taken offline. The fix involves using get cpu() instead of smp processor id() to avoid the crash.

Recommendations Update to a version later than 5.19.0-rc7+ to resolve this issue.

Exploit

Fix

Related Identifiers

ALSA-2025_16880

CVE-2022-50494

OESA-2025-2553

RHSA-2023:6583

RHSA-2023_6583

SUSE-SU-2025:4111-1

SUSE-SU-2025:4135-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4188-1

SUSE-SU-2025:4320-1

SUSE-SU-2025:4515-1

Affected Products

Linux Kernel

Red Hat

Suse

References · 549

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50494.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-50566 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53384 · Security Note
• https://osv.dev/vulnerability/OESA-2025-2553 · Vendor Advisory
• https://git.kernel.org/stable/c/513943bf879d45005213e6f5cfb7d9e9943f589f · Patch
• https://git.kernel.org/stable/c/0f91f66c568b316b19cb042cf50584467b3bdff4 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53567 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53372 · Security Note
• https://git.kernel.org/stable/c/418fae0700e85a498062424f8656435c32cdb200 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50494 · Vendor Advisory
• https://git.kernel.org/stable/c/5a646c38f648185ee2c62f2a19da3c6f04e27612 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53648 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-50494 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50405 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-53168 · Security Note