PT-2025-38017 · Linux+4 · Linux Kernel+4

Published 2022-09-26 · Updated 2025-10-23 · CVE-2022-50348

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 memory leak exists in the Network File System daemon (nfsd) error handling path. Specifically, if a memdup user() call fails, the previously allocated memory is not freed, resulting in a memory leak.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-03774

CESA-2023_7077

CVE-2022-50348

RHSA-2023:2458

RHSA-2023:7077

RHSA-2023_2458

RHSA-2023_7077

SUSE-SU-2025:03615-1

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 · 868

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50348.json · Exploit
• https://git.kernel.org/stable/c/acc393aecda05bf64ed13b732931462e07a1bf08 · Patch
• https://bdu.fstec.ru/vul/2026-03774 · Security Note
• https://git.kernel.org/stable/c/e060c4b9f33c1fca74df26d57a98e784295327e6 · Patch
• https://git.kernel.org/stable/c/cc3bca2110ac85cd964da997ef83d84cab0d49fb · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50348 · Vendor Advisory
• https://git.kernel.org/stable/c/733dd17158f96aaa25408dc39bbb2738fda9300e · Patch
• https://cve.org/CVERecord?id=CVE-2022-50348 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50348 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50348 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50348 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50348 · Vendor Advisory
• https://git.kernel.org/stable/c/aed8816305575b38dcc77feb6f1bc1d0ed32f5b8 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory