PT-2025-54110 · Linux · Linux Kernel

Published 2022-12-28 · Updated 2025-12-30 · CVE-2022-50874

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

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

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

Description A reference count leak exists in the RDMA/erdma module, specifically within the erdma mmap function. The rdma user mmap entry get() function acquires a reference, but this reference is not released in error paths, leading to a memory leak. The function rdma user mmap entry put() was added to the error path to address this issue.

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

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2026-04212

CVE-2022-50874

Affected Products

Linux Kernel

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50874.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2022-50874 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50874 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50874 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50874 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50874 · Security Note
• https://bdu.fstec.ru/vul/2026-04212 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50874 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50874 · Vendor Advisory
• https://git.kernel.org/stable/c/ee84146c05ad2316b9a7222d0ec4413e0bf30eeb · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3 · Note
• https://twitter.com/CVEnew/status/2005993827807682567 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16 · Note
• https://git.kernel.org/stable/c/410f0f46ffca4d0102470c1e0c747ecfece4204c · Note