PT-2025-11010 · Linux+10 · Linux Kernel+10

Haoxiang Li · Published 2025-02-20 · Updated 2026-04-20 · CVE-2025-21848

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 null pointer dereference issue has been resolved in the Linux kernel. The issue was related to the nfp app ctrl msg alloc() function, where a check for its return value was added in nfp bpf cmsg alloc() to prevent the null pointer dereference.

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

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2025:20518

ALT-PU-2025-12647

ALT-PU-2025-4301

ALT-PU-2025-4807

AZL-58494

AZL-58590

BDU:2025-12189

CVE-2025-21848

DLA-4178-1

DLA-4193-1

DSA-5900-1

ECHO-FA1B-FDB4-9847

INFSA-2025_20518

MGASA-2025-0111

MGASA-2025-0112

OESA-2025-1446

OESA-2025-1450

OPENSUSE-SU-2025_1177-1

OPENSUSE-SU-2025_1178-1

OPENSUSE-SU-2025_1180-1

RHSA-2025:20518

RHSA-2025_20518

SUSE-SU-2025:01919-1

SUSE-SU-2025:01951-1

SUSE-SU-2025:01967-1

SUSE-SU-2025:1177-1

SUSE-SU-2025:1178-1

SUSE-SU-2025:1180-1

SUSE-SU-2025:1293-1

SUSE-SU-2025:20190-1

SUSE-SU-2025:20192-1

SUSE-SU-2025:20260-1

SUSE-SU-2025:20270-1

SUSE-SU-2025_01951-1

SUSE-SU-2025_01967-1

SUSE-SU-2025_1177-1

SUSE-SU-2025_1178-1

SUSE-SU-2025_1180-1

SUSE-SU-2025_1293-1

USN-7510-1

USN-7510-2

USN-7510-3

USN-7510-4

USN-7510-5

USN-7510-6

USN-7510-7

USN-7510-8

USN-7511-1

USN-7511-2

USN-7511-3

USN-7512-1

USN-7516-1

USN-7516-2

USN-7516-3

USN-7516-4

USN-7516-5

USN-7516-6

USN-7516-7

USN-7516-8

USN-7516-9

USN-7517-1

USN-7517-2

USN-7517-3

USN-7518-1

USN-7521-1

USN-7521-2

USN-7521-3

USN-7539-1

USN-7540-1

USN-7593-1

USN-7602-1

USN-7640-1

USN-7703-1

USN-7703-2

USN-7703-3

USN-7703-4

USN-7719-1

USN-7737-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Debian

Linuxmint

Linux Kernel

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 2814

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21848.json · Exploit
• https://ubuntu.com/security/CVE-2024-53161 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-52332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57910 · Vendor Advisory
• https://git.kernel.org/stable/c/878e7b11736e062514e58f3b445ff343e6705537 · Patch
• https://ubuntu.com/security/CVE-2024-35958 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7510-4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-53181 · Security Note
• https://ubuntu.com/security/CVE-2025-21864 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53101 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21739 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-22013 · Security Note
• https://ubuntu.com/security/CVE-2024-58080 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7516-4 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-23138 · Vendor Advisory