Allocation of Resources Without Limits or Throttling in Linux kernel - CVE-2026-80915
Published: September 9, 2026
Vulnerability identifier: #VU148841
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80915
CWE-ID: CWE-770
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 memory-region selection in the xe framebuffer display page-table allocation path when allocating display page tables. A local user can trigger display page-table allocation to cause a denial of service.
On systems with a media GT, accessing stolen memory while the GT is in MC6 can add latency.
Affected software
Linux kernel
How to mitigate CVE-2026-80915
Install security update from vendor's repository.