PT-2025-8206 · Linux+2 · Linux Kernel+2

Alistair Delva · Published 2022-02-18 · Updated 2025-04-14 · CVE-2022-49278

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A potential underflow issue has been resolved in the Linux kernel. The fix involves a count check in the rproc coredump write() function to prevent underflow by checking for 0, similar to the check in the rproc recovery write() function.

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

Exploit

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

BDU:2026-03871

CVE-2022-49278

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1335

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49278.json · Exploit
• https://git.kernel.org/stable/c/a8c3e53517985d69040a1b36a269e85f99cf0cea · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49278 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/11572dad9fbadbd9269a2550f7e236b5b8c2d80c · Patch
• https://git.kernel.org/stable/c/34afac3c75fa08d6fabbab4c93f0a90618afaaa6 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/b97b305656a7013690e7b6e310f0e827e0bbff90 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-49278 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49278 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49278 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49278 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03871 · Security Note