PT-2025-37517 · Linux+2 · Linux Kernel+2

Published 2022-12-28 · Updated 2025-09-20 · CVE-2022-50263

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 was resolved in the vdpasim component of the Linux kernel. The issue occurred when freeing IOTLBs after commit bda324fd037a ("vdpasim: control virtqueue support"). Specifically, the code failed to properly clean up mappings for each IOTLB in the vdpasim->iommu array, 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:2026-02043

CVE-2022-50263

RHSA-2023:2458

RHSA-2023_2458

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50263.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50263 · Security Note
• https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6 · Patch
• https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d · Patch
• https://ubuntu.com/security/CVE-2022-50263 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50263 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50263 · Vendor Advisory
• https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50263 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02043 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50263 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50263 · Vendor Advisory
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.19 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5 · Note
• https://lore.kernel.org/linux-cve-announce/2025091503-CVE-2022-50263-040c@gregkh/T · Note