Go to homepageCyberStrike

Menu

Star on GitHub · 3.4k
Sign inDownload

CVE-2022-49762

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ntfs: check overflow when iterating ATTR_RECORDs Kernel iterates over ATTR_RECORDs in mft record in ntfs_attr_find().

Published May 1, 2025EPSS 0.22%

Overview

CVE-2022-49762 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ntfs: check overflow when iterating ATTR_RECORDs

Kernel iterates over ATTR_RECORDs in mft record in ntfs_attr_find().

Because the ATTR_RECORDs are next to each other, kernel can get the next

ATTR_RECORD from end address of current ATTR_RECORD, through current

ATTR_RECORD length field.

The problem is that during iteration, when kernel calculates the end

address of current ATTR_RECORD, kernel may trigger an integer overflow bug

in executing `a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))`. This

may wrap, leading to a forever iteration on 32bit systems.

This patch solves it by adding some checks on calculating end address

of current ATTR_RECORD during iteration.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/45683723f6b53e39e8a4cec0894e61fd6ec71989Refgit.kernel.org/stable/c/5559eb5809353a83a40a1e4e7f066431c7b83020Refgit.kernel.org/stable/c/63095f4f3af59322bea984a6ae44337439348fe0Refgit.kernel.org/stable/c/785b2af9654b8beac55644e36da0085c5d776361Refgit.kernel.org/stable/c/86f36de14dce5802856bb7a5921d74439db00b64Refgit.kernel.org/stable/c/957732a09c3828267c2819d31c425aa793dd475bRefgit.kernel.org/stable/c/b612f924f296408d7d02fb4cd01218afd4ed7184Refgit.kernel.org/stable/c/b63ddb3ba61e2d3539f87e095c881e552bc45dab

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49762?

CVE-2022-49762 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49762?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49762?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49762?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49762 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2022

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
Watch the demo →