PT-2025-53141 · Linux · Linux Kernel

Published 2022-12-28 · Updated 2025-12-25 · CVE-2022-50775

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 hns roce mmap function within the RDMA/hns module of the Linux kernel. The rdma user mmap entry get pgoff() function acquires a reference, but the corresponding rdma user mmap entry put() function to release that reference was missing. This can lead to a resource leak.

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:2026-04213

CVE-2022-50775

Affected Products

Linux Kernel

References · 16

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50775.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50775 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50775 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50775 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50775 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50775 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50775 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04213 · Security Note
• https://ubuntu.com/security/CVE-2022-50775 · Vendor Advisory
• https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16 · Note
• https://twitter.com/CVEnew/status/2004294883910042050 · Twitter Post