#VU108860 Use-after-free in Linux kernel - CVE-2025-37885
Published: May 9, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108860
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-2025-37885
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 vmx_pi_update_irte() function in arch/x86/kvm/vmx/posted_intr.c, within the avic_pi_update_irte() function in arch/x86/kvm/svm/avic.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/023816bd5fa46fab94d1e7917fe131b79ed1fb41
- https://git.kernel.org/stable/c/116c7d35b8f72eac383b9fd371d7c1a8ffc2968b
- https://git.kernel.org/stable/c/3066ec21d1a33896125747f68638725f456308db
- https://git.kernel.org/stable/c/3481fd96d801715942b6f69fe251133128156f30
- https://git.kernel.org/stable/c/9bcac97dc42d2f4da8229d18feb0fe2b1ce523a2
- https://git.kernel.org/stable/c/b5de7ac74f69603ad803c524b840bffd36368fc3
- https://git.kernel.org/stable/c/e5f2dee9f7fcd2ff4b97869f3c66a0d89c167769
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.237