PT-2025-25939 · Linux+1 · Linux Kernel+1

Published 2022-07-30 · Updated 2025-06-19 · CVE-2022-50013

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

AV:L/AC:H/Au:S/C:C/I:C/A:C

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

Description A bug in the f2fs file system has been found, where the NAT entry and nat bitmap can be inconsistent. This inconsistency can trigger a BUG ON() in the f2fs new node page() function. The issue was reported by Dipanjan Das and discovered by syzkaller.

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

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2026-02660

CVE-2022-50013

Affected Products

Astra Linux

Linux Kernel

References · 22

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50013.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50013 · Security Note
• https://git.kernel.org/stable/c/5a01e45b925a0bc9718eccd33e5920f1a4e44caf · Patch
• https://git.kernel.org/stable/c/141170b759e03958f296033bb7001be62d1d363b · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50013 · Vendor Advisory
• https://git.kernel.org/stable/c/29e734ec33ae4bd7de4018fb0fb0eec808c36b92 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50013 · Security Note
• https://git.kernel.org/stable/c/43ce0a0bda2c54dad91d5a1943554eed9e050f55 · Patch
• https://git.kernel.org/stable/c/fbfad62b29e9f8f1c1026a806c9e064ec2a7c342 · Patch
• https://git.kernel.org/stable/c/800ba8979111184d5194f4233cc83afe683efc54 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50013 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50013 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50013 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50013 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02660 · Security Note