PT-2025-8544 · Linux+4 · Linux Kernel+4

Published 2022-06-27 · Updated 2025-04-16 · CVE-2022-49611

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, related to x86/speculation. The issue involves filling RSB on vmexit for IBRS to prevent RSB underflow/poisoning attacks.

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

Exploit

Weakness Enumeration

CWE-1037

CWE-371

Related Identifiers

BDU:2026-02227

CESA-2022_7110

CESA-2022_7683

CVE-2022-49611

OPENSUSE-SU-2025_1263-1

RHSA-2022:7110

RHSA-2022:7683

RHSA-2022:8973

RHSA-2022_7110

RHSA-2022_7683

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_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

SUSE-SU-2025_1293-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1503

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49611.json · Exploit
• https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f · Patch
• https://cve.org/CVERecord?id=CVE-2022-49611 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49611 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49611 · Vendor Advisory
• https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02227 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49611 · Vendor Advisory
• https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527 · Patch
• https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329 · Patch
• https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd · Patch