PT-2025-53138 · Linux+2 · Linux Kernel+2

Published 2025-12-24 · Updated 2026-04-20 · CVE-2022-50772

Positive Technologies (AI Summary)

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

Description A memory leak exists in the nsim bus dev new() function within the netdevsim module of the Linux kernel. If device register() fails during the execution of this function, the dev reference in nsim bus dev is not released, leading to an unreferenced object and a memory leak. The backtrace indicates the issue occurs during device name setting and registration processes.

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

Exploit

Related Identifiers

CVE-2022-50772

RHSA-2023:6583

Affected Products

Debian

Linux Kernel

Red Hat

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50772.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50772 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50772 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-50772 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50772 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50772 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50772 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50772 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-50772 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50772 · Security Note
• https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086 · Note
• https://lore.kernel.org/linux-cve-announce/2025122458-CVE-2022-50772-774d@gregkh/T · Note
• https://twitter.com/CVEnew/status/2004294886741151929 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da · Note