PT-2025-8183 · Linux+1 · Linux Kernel+1

Published 2022-02-25 · Updated 2025-02-27 · CVE-2022-49255

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 has been resolved in the Linux kernel, specifically in the f2fs file system. The issue is related to a missing free nid in f2fs handle failed inode, which can cause a kernel bug and lead to errors such as buffer I/O errors and invalid opcodes. The vulnerability can result in a loss of orphan inodes, and running fsck is recommended to fix the issue.

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-120

Related Identifiers

BDU:2026-03668

CVE-2022-49255

Affected Products

Astra Linux

Linux Kernel

References · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49255.json · Exploit
• https://git.kernel.org/stable/c/2fef99b8372c1ae3d8445ab570e888b5a358dbe9 · Patch
• https://osv.dev/vulnerability/CVE-2022-49255 · Vendor Advisory
• https://git.kernel.org/stable/c/1a11a873749c6375bb668953fa1a196d8538d26b · Patch
• https://git.kernel.org/stable/c/d1eaaf6cadedf638e17017b0a04d56308405ac10 · Patch
• https://git.kernel.org/stable/c/8579b413af100ec5f3592bd6cf11559312b380c0 · Patch
• https://git.kernel.org/stable/c/005f9cdab70c915702254c5eb67a8efced80e821 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-49255 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03668 · Security Note
• https://git.kernel.org/stable/c/aa80bf73e3b3fb7026d343c77b3ddc849e26a095 · Patch
• https://ubuntu.com/security/CVE-2022-49255 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49255 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49255 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49255 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49255 · Vendor Advisory