PT-2025-37491 · Linux+4 · Linux Kernel+4

Published 2022-09-26 · Updated 2025-11-24 · CVE-2022-50235

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 buffer overflow issue was identified in the NFSv2 READDIR functionality within the Linux kernel. The vulnerability stemmed from a missing limit on the @count argument, potentially allowing for a buffer overflow attack. Restoring the previous limit on the @count argument addresses this issue.

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

Exploit

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-120

Related Identifiers

BDU:2026-06068

CESA-2023_0832

CESA-2023_2951

CVE-2022-50235

RHSA-2023:0832

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_0832

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:03613-1

SUSE-SU-2025:03614-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03626-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1007

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50235.json · Exploit
• https://bdu.fstec.ru/vul/2026-06068 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:03613-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50235 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50235 · Security Note
• https://git.kernel.org/stable/c/0e57d696f60dee6117a8ace0cac7c5761d375277 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f59c74df82f6ac9d2ea4e01aa3ae7c6c4481652d · Patch
• https://ubuntu.com/security/CVE-2022-50235 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50235 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03614-1 · Vendor Advisory
• https://git.kernel.org/stable/c/dc7f225090c29a5f3b9419b1af32846a201555e7 · Patch
• https://git.kernel.org/stable/c/00b4492686e0497fdb924a9d4c8f6f99377e176c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50235 · Vendor Advisory