PT-2024-11297 · Linux+2 · Linux Kernel+2

Alexey Kardashevskiy · Published 2021-07-17 · Updated 2025-06-18 · CVE-2021-47296

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 The issue is related to a leak in kvm arch vcpu ioctl vcpu load due to vcpu put not being called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.

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

CWE-99

Related Identifiers

BDU:2025-15376

CVE-2021-47296

OESA-2024-1862

OPENSUSE-SU-2024_2185-1

SUSE-SU-2024:2010-1

SUSE-SU-2024:2183-1

SUSE-SU-2024:2185-1

SUSE-SU-2025:01995-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 587

• https://nvd.nist.gov/vuln/detail/CVE-2021-47296 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-39487 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-47296 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-39480 · Security Note
• https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533 · Patch
• https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-38632 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2185-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2183-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2024-1862 · Vendor Advisory
• https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47391 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48732 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-39489 · Security Note