#VU99540 Use-after-free in FreeBSD - CVE-2024-45063
Published: October 31, 2024
Vulnerability identifier: #VU99540
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-45063
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FreeBSD
FreeBSD
Software vendor:
FreeBSD Foundation
FreeBSD Foundation
Description
The vulnerability allows a malicious guest to compromise the hypervisor.
The vulnerability exists due to a use-after-free error within the ctl_write_buffer() function. A malicious guest running in a guest VM that exposes virtio_scsi can trigger a use-after-free error and execute arbitrary code on the hypervisor.
Remediation
Install updates from vendor's website.