PT-2025-52937 · Linux · Linux Kernel

Published 2022-12-28 · Updated 2025-12-27 · CVE-2022-50707

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 memory leak exists in the virtio crypto alg skcipher close session() function within the virtio-crypto module. Specifically, the vc ctrl req memory is allocated but not freed in error handling scenarios when ctrl status->status is invalid, 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:2026-04217

CVE-2022-50707

Affected Products

Linux Kernel

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50707.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50707 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50707 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50707 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50707 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50707 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50707 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04217 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-50707 · Security Note
• https://git.kernel.org/stable/c/79026a2d0a1b080257773d22a493f9bcab8c65be · Note
• https://git.kernel.org/stable/c/0871df190fe6723464efe0f493d476411616f553 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/67fb59ff1384e338679c0eb7a43c83ce8868c9fa · Note
• https://git.kernel.org/stable/c/b1d65f717cd6305a396a8738e022c6f7c65cfbe8 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19 · Note