PT-2024-11318 · Linux+3 · Linux Kernel+3

Xie Yongji · Published 2021-07-03 · Updated 2025-11-10 · CVE-2021-47319

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 issue has been resolved in the Linux kernel, specifically in the virtio-blk component. The issue occurs during the suspend/resume procedure, where the vblk->vqs should be freed before calling the init vqs() function in virtblk restore().

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

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2025-07394

CVE-2021-47319

SUSE-SU-2024:1979-1

SUSE-SU-2024:1983-1

SUSE-SU-2024:2184-1

USN-7797-1

USN-7797-2

USN-7797-3

USN-7865-1

Affected Products

Astra Linux

Linux Kernel

Suse

Ubuntu

References · 490

• https://ubuntu.com/security/CVE-2023-52574 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1983-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7797-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7797-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47319 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7865-1 · Vendor Advisory
• https://git.kernel.org/stable/c/04c6e60b884cb5e94ff32af46867fb41d5848358 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1979-1 · Vendor Advisory
• https://git.kernel.org/stable/c/600942d2fd49b90e44857d20c774b20d16f3130f · Patch
• https://ubuntu.com/security/CVE-2025-38352 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56767 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47149 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7797-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38618 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47319 · Vendor Advisory