PT-2025-37578 · Linux+3 · Linux Kernel+3

Published 2022-12-05 · Updated 2025-12-03 · CVE-2022-50276

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

AV:L/AC:H/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null pointer dereference issue was resolved in the Linux kernel related to power supply functionality. Specifically, a failure to allocate memory within the power supply get battery info function, due to kmalloc() failing, could lead to a null pointer dereference when calling strcmp() via of get property(). The issue occurs when kasprintf() returns a NULL pointer.

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:2026-06073

CVE-2022-50276

RHSA-2023:6583

RHSA-2023_6583

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Suse

References · 870

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50276.json · Exploit
• https://git.kernel.org/stable/c/5beadb55f4e36fafe5d6df5dcd5f85d803f3f134 · Patch
• https://git.kernel.org/stable/c/d21534ab4fd7883e1c8037a76671d4e8b6ea14cb · Patch
• https://cve.org/CVERecord?id=CVE-2022-50276 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50276 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50276 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06073 · Security Note
• https://git.kernel.org/stable/c/279af90e65cbdb3e5c4519b0043324d7876bc5ec · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50276 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://git.kernel.org/stable/c/b8131efb89d9f837c9244f900f0fc2699fd1181d · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50276 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3716-1 · Vendor Advisory