PT-2025-37623 · Linux+2 · Linux Kernel+2

Published 2022-12-22 · Updated 2025-10-23 · CVE-2022-50321

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 brcmf netdev start xmit() function within the brcmfmac module. The function may return NETDEV TX OK without freeing the skb (socket buffer) if pskb expand head() fails, leading to 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:2026-03645

CVE-2022-50321

SUSE-SU-2025:03614-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 995

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50321.json · Exploit
• https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66ef · Patch
• https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3 · Patch
• https://ubuntu.com/security/CVE-2022-50321 · Vendor Advisory
• https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9 · Patch
• https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31 · Patch
• https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168c · Patch
• https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03614-1 · Vendor Advisory
• https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aed · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50321 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3716-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50321 · Vendor Advisory