What is CVE-2023-44466?

CVE-2023-44466 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10. CVE-2023-44466 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-44466?

CVE-2023-44466 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-44466?

No patch is currently available for CVE-2023-44466. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-44466 actively exploited?

CVE-2023-44466 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-44466

High

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.

Package Linux Kernel

Published 2023-09-29

Last modified 2025-05-23

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-120

CVE-2023-44466 is classified as CWE-120

See CWE-120 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-44466 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

GitHub
https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph

Exploit Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20231116-0003/

Third Party Advisory
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97
Patch
Kernel patch commit
https://www.spinics.net/lists/ceph-devel/msg57909.html
Patch

Details

CVE ID CVE-2023-44466

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2023-09-29

Modified 2025-05-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-44466?

CVE-2023-44466 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 . CVE-2023-44466 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-44466?

CVE-2023-44466 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-44466?

No patch is currently available for CVE-2023-44466. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-44466 actively exploited?

No — CVE-2023-44466 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.