PT-2025-38419 · Linux+3 · Linux Kernel+3

Published 2022-11-14 · Updated 2025-10-24 · CVE-2022-50402

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 flaw exists in the Linux kernel’s md-bitmap driver where the return value of the md bitmap get counter() function is not properly checked. If this function returns a NULL pointer, a null pointer dereference occurs.

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

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

BDU:2026-05981

CVE-2022-50402

OESA-2025-2533

RHSA-2023:2458

RHSA-2023_2458

SUSE-SU-2025:03614-1

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 · 1018

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json · Exploit
• https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536 · Patch
• https://cve.org/CVERecord?id=CVE-2022-50402 · Security Note
• https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-38449 · Security Note
• https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53322 · Security Note
• https://osv.dev/vulnerability/OESA-2025-2533 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50430 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50449 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53380 · Security Note
• https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50402 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53313 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50497 · Security Note