An issue was discovered in net/ceph/messenger_v2.c in the... · CVE-2023-44466 · GitHub Advisory Database · GitHub

An issue was discovered in net/ceph/messenger_v2.c in the...

High severity Unreviewed Published Sep 29, 2023 to the GitHub Advisory Database • Updated Nov 25, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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.

References

Published by the National Vulnerability Database

Sep 29, 2023

Published to the GitHub Advisory Database Sep 29, 2023

Last updated Nov 25, 2023

Severity

High

8.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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