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CVE-2023-44466

8.8 · HIGH

An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5.

Published Sep 29, 2023CWE-120EPSS 45.59%

Overview

CVE-2023-44466 is a high-severity vulnerability. It was published on September 29, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5. There is an integer signedness error, leading to a buffer overflow and remote code execution via HELLO or one of the AUTH frames. This occurs because of an untrusted length taken from a TCP packet in ceph_decode_32.

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/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97GitHubgithub.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwphGitHubgithub.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97Refsecurity.netapp.com/advisory/ntap-20231116-0003/Refwww.spinics.net/lists/ceph-devel/msg57909.htmlRefgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97GitHubgithub.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwphGitHubgithub.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97Refsecurity.netapp.com/advisory/ntap-20231116-0003/Refwww.spinics.net/lists/ceph-devel/msg57909.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-44466?

CVE-2023-44466 is a high-severity vulnerability. It was published on September 29, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-44466?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-44466?

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-2023-44466?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-44466 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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