EUVD-2026-18762
GHSA-fpjr-hm8v-68cj
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3Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix memory leak in xe_vm_madvise_ioctl When check_bo_args_are_sane() validation fails, jump to the new free_vmas cleanup label to properly free the allocated resources. This ensures proper cleanup in this error path. (cherry picked from commit 29bd06faf727a4b76663e4be0f7d770e2d2a7965)
Analysis
Linux kernel xe (Intel GPU) driver leaks dynamically allocated virtual memory area (VMA) structures when argument validation fails in the xe_vm_madvise_ioctl handler, allowing local attackers to exhaust kernel memory and trigger denial of service. The vulnerability has been patched upstream in stable kernel branches with proper cleanup path addition.
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