PT-2024-11319 · Linux+3 · Linux Kernel+3

Gao Xiang · Published 2021-06-21 · Updated 2025-04-09 · CVE-2021-47320

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 posix acl create() function. The leak occurs in the error paths of nfs3 proc create() and nfs3 proc mknod() when acl and default acl are not properly handled. This issue was identified during an investigation of another nfs xfstests report.

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:2025-07395

CVE-2021-47320

OPENSUSE-SU-2024_2185-1

SUSE-SU-2024:1979-1

SUSE-SU-2024:1983-1

SUSE-SU-2024:2010-1

SUSE-SU-2024:2183-1

SUSE-SU-2024:2184-1

SUSE-SU-2024:2185-1

USN-7429-1

USN-7429-2

Affected Products

Astra Linux

Linux Kernel

Suse

Ubuntu

References · 705

• 🔥 https://github.com/lanleft/CVE-2023-1829 · Exploit
• https://cve.org/CVERecord?id=CVE-2021-47320 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1983-1 · Vendor Advisory
• https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262 · Patch
• https://osv.dev/vulnerability/USN-7429-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56600 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1979-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7429-2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47320 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47320 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50167 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47483 · Vendor Advisory
• https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357 · Patch
• https://ubuntu.com/security/CVE-2025-21700 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2185-1 · Vendor Advisory