Improper resource shutdown or release in Linux kernel - CVE-2026-43298
Published: May 9, 2026
Vulnerability identifier: #VU130893
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43298
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource management in the VCN poison irq release logic in the amdgpu driver when deinitializing a virtual function. A local user can trigger device deinitialization to cause a denial of service.
The issue occurs on VF configurations because VCN poison irq is not enabled in VCNv2.5.
Affected software
Linux kernel
Debian Linux
linux (Debian package)
Debian Linux
linux (Debian package)
How to mitigate CVE-2026-43298
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
linux (Debian package) - update to 6.12.115-2
linux (Debian package) - update to 6.12.115-2