Memory leak in FreeBSD - CVE-2024-43110

 

Memory leak in FreeBSD - CVE-2024-43110

Published: October 31, 2024


Vulnerability identifier: #VU99539
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-43110
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD

Detailed vulnerability description

The vulnerability allows a malicious guest to gain access to sensitive information.

The vulnerability exists due memory leak within the ctl_request_sense() function. A malicious guest can obtain up to 3 bytes of kernel heap and use this information to achieve code execution on the hypervisor.


How to mitigate CVE-2024-43110

Install updates from vendor's website.

Sources