Type Confusion in Linux kernel - CVE-2024-44944

Vulnerability identifier: #VU96639

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2024-44944

CWE-ID: CWE-843

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Linux Foundation

Affected software:
Linux kernel

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input within the ctnetlink_del_expect() function in net/netfilter/nf_conntrack_netlink.c. A local user can trigger a type confusion error and gain access to sensitive information.

Install updates from vendor's website.

• https://www.zerodayinitiative.com/advisories/ZDI-24-1182/
• https://patchwork.kernel.org/project/netdevbpf/patch/20240717215214.225394-2-pablo@netfilter.org/