PT-2025-8347 · Linux+3 · Linux Kernel+3

Christoph Hellwig + 3 · Published 2022-04-17 · Updated 2025-09-29 · CVE-2022-49413

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 A issue in the Linux kernel has been identified where the bfq merge bio() function can operate with stale cgroup information when a process is migrated to a different cgroup. This can lead to the bio being merged to a request from a different cgroup, or the merging of bfqqs for different cgroups, potentially causing use-after-free issues.

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:2025-10271

CVE-2022-49413

OPENSUSE-SU-2025_1263-1

RHSA-2022:8267

RHSA-2022_8267

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

Linux Kernel

Red Hat

Suse

References · 1502

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49413.json · Exploit
• https://git.kernel.org/stable/c/d9165200c5627a2cf4408eefabdf0058bdf95e1a · Patch
• https://git.kernel.org/stable/c/ea591cd4eb270393810e7be01feb8fde6a34fbbe · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49413 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49413 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49413 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e8821f45612f2e6d9adb9c6ba0fb4184f57692aa · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://git.kernel.org/stable/c/da9f3025d595956410ceaab2bea01980d7775948 · Patch
• https://git.kernel.org/stable/c/b06691af08b41dfd81052a3362514d9827b44bb1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49413 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49413 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory