PT-2024-29193 · Linux+2 · Linux Kernel+2

Jakub Kicinski · Published 2024-06-19 · Updated 2025-10-06 · CVE-2024-40985

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the version that includes the fix for the issue introduced in version 5 of TCP-AO patches

Description The issue is related to a leak of ao info on the error path in the net/tcp ao component of the Linux kernel. It was introduced together with TCP AO CMDF AO REQUIRED in version 5 of the TCP-AO patches. The issue is frustrating given the existence of selftests, and the use of kmemtest and kcov was always pending.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-402

Related Identifiers

BDU:2026-04547

CVE-2024-40985

USN-6999-1

USN-6999-2

USN-7004-1

USN-7005-1

USN-7005-2

USN-7008-1

USN-7029-1

Affected Products

Linuxmint

Linux Kernel

Ubuntu

References · 261

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40985.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2024-40985 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40957 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7004-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40984 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6999-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6999-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40973 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-40985 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-39488 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-41002 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40906 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-40985 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-38628 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-34027 · Vendor Advisory