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CVE-2023-44466

Date: September 28, 2023

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.

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2023-44466
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a282a2f10539dce2aa619e71e1817570d557fc97
https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph
https://www.spinics.net/lists/ceph-devel/msg57909.html
https://github.com/torvalds/linux/commit/a282a2f10539dce2aa619e71e1817570d557fc97
https://security.netapp.com/advisory/ntap-20231116-0003/
https://www.mend.io/vulnerability-database/CVE-2023-44466

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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