PT-2024-11266 · Linux+3 · Linux Kernel+3

Dan Carpenter · Published 2021-06-03 · Updated 2025-07-08 · CVE-2021-47260

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 potential NULL dereference in the nfs get client() function has been resolved. This issue could lead to an Oops, as none of the callers are expecting NULL returns from nfs get client(). It is expected that this is dead code, and hopefully, no one is affected.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-07379

CVE-2021-47260

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

SUSE-SU-2025:01995-1

USN-7607-1

USN-7607-2

USN-7607-3

Affected Products

Astra Linux

Linux Kernel

Suse

Ubuntu

References · 839

• 🔥 https://github.com/lanleft/CVE-2023-1829 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2024:1983-1 · Vendor Advisory
• https://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7 · Patch
• https://ubuntu.com/security/CVE-2025-37798 · Vendor Advisory
• https://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1 · Patch
• https://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47260 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2185-1 · Vendor Advisory
• https://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2183-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7607-2 · Vendor Advisory
• https://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01995-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53197 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3640 · Vendor Advisory