#VU93085 Use-after-free in Linux kernel - CVE-2024-36909
Published: June 22, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93085
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-36909
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vmbus_free_ring() function in drivers/hv/channel.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/2f622008bf784a9f5dd17baa19223cc2ac30a039
- https://git.kernel.org/stable/c/82f9e213b124a7d2bb5b16ea35d570260ef467e0
- https://git.kernel.org/stable/c/a9212a4e2963a7fbe3864ba33dc551d4ad8d0abb
- https://git.kernel.org/stable/c/30d18df6567be09c1433e81993e35e3da573ac48
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10