PT-2025-26074 · Linux+3 · Linux Kernel+3

Published 2022-06-30 · Updated 2025-06-18 · CVE-2022-50148

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 potential NULL pointer dereference issue has been identified in the Linux kernel, specifically in the kernfs remove() function. This issue arises when lockdep is enabled, causing lockdep assert held write to potentially dereference a NULL pointer. The problem is also associated with smatch warnings in fs/kernfs/dir.c.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-413

CWE-476

Related Identifiers

BDU:2026-03180

CESA-2023_7077

CVE-2022-50148

RHSA-2023:2458

RHSA-2023:7077

RHSA-2023_2458

RHSA-2023_7077

RHSA-2024:1404

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50148.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50148 · Security Note
• https://git.kernel.org/stable/c/72b5d5aef246a0387cefa23121dd90901c7a691a · Patch
• https://git.kernel.org/stable/c/4a9f35b8729c5bf13ea671c908c17ed74c48fc50 · Patch
• https://ubuntu.com/security/CVE-2022-50148 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03180 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50148 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50148 · Vendor Advisory
• https://git.kernel.org/stable/c/b871986d9d3071f5082664ac274d93f08db257cd · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50148 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50148 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50148 · Security Note
• https://lore.kernel.org/linux-cve-announce/2025061821-CVE-2022-50148-371d@gregkh/T · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18 · Note
• https://twitter.com/CVEnew/status/1935351058236367255 · Twitter Post