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CVE-2023-46862

4.7 · MEDIUM

An issue was discovered in the Linux kernel through 6.5.9.

Published Oct 29, 2023CWE-476EPSS 0.23%

Overview

CVE-2023-46862 is a medium-severity vulnerability. It was published on October 29, 2023 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

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

Refbugzilla.kernel.org/show_bug.cgi?id=218032#c4GitHubgithub.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46Reflists.debian.org/debian-lts-announce/2024/01/msg00005.htmlRefbugzilla.kernel.org/show_bug.cgi?id=218032#c4GitHubgithub.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46Reflists.debian.org/debian-lts-announce/2024/01/msg00005.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-46862?

CVE-2023-46862 is a medium-severity vulnerability. It was published on October 29, 2023 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2023-46862?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2023-46862?

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-2023-46862?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-46862 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.

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