PT-2025-18549 · Linux+2 · Linux Kernel+2

Published 2022-11-10 · Updated 2025-07-10 · CVE-2022-49832

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 dereferencing issue has been resolved in the Linux kernel, specifically in the pinctrl dt to map function. The issue occurred when kasprintf() returned a NULL pointer due to kmalloc() failing to allocate memory, leading to a null pointer dereference in the strcmp function. The error was reported by KASAN, with a call trace indicating the involvement of of find property, of find property, and pinctrl dt to map functions.

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:2026-05775

CVE-2022-49832

OESA-2025-1541

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:01982-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:01995-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_01982-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 760

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49832.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-37839 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49846 · Security Note
• https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce · Patch
• https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c · Patch
• https://bdu.fstec.ru/vul/2026-05775 · Security Note
• https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49832 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49832 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53091 · Security Note
• https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb · Patch
• https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01982-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49832 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-57982 · Security Note