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

5 total

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?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-44466 patch availability.

  • 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.

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