PT-2025-37516 · Ntfs3+3 · Ntfs3+3

Published 2022-01-01 · Updated 2025-09-20 · CVE-2022-50262

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 flaw exists in the Linux kernel's NTFS3 implementation related to the validation of the BOOT record size field. When the record size field is negative, it's interpreted as a shift value, but lacks proper sanity checking. This can lead to a null pointer dereference (NPD) during the mounting of a malformed NTFS image. The issue manifests as a kernel panic, as indicated by the provided kernel logs.

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

CVE-2022-50262

Affected Products

Astra Linux

Debian

Linux Kernel

Ntfs3

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50262.json · Exploit
• https://ubuntu.com/security/CVE-2022-50262 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50262 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50262 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50262 · Security Note
• https://git.kernel.org/stable/c/af7a195deae349f15baa765d000a5188920d61dd · Patch
• https://git.kernel.org/stable/c/db91a9c59162a9c56792ded88160442c0a2dabd5 · Patch
• https://git.kernel.org/stable/c/8702e0dc987014f6d77740b693340f91344fd0ae · Patch
• https://git.kernel.org/stable/c/0b66046266690454dc04e6307bcff4a5605b42a1 · Patch
• https://osv.dev/vulnerability/CVE-2022-50262 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50262 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50262 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/0b66046266690454dc04e6307bcff4a5605b42a1 · Note
• https://twitter.com/CVEnew/status/1969482412624396504 · Twitter Post