CVE-2026-68447

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-68447

Key Details

CVE	CVE-2026-68447
CVSS Score / Version	7.1 (High) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H`
CVSS Prose	attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is none; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: clamp v9 CRIU control stack checkpoint copy to BO size

CRIU checkpoint copies the MQD control stack using cp_hqd_cntl_stack_size

from hardware without bounding it to the allocated BO region. If the HW

field is larger than the queue's control stack allocation, memcpy reads

past the BO into adjacent GTT memory and can leak kernel data to userspace.

Store the page-aligned control stack BO size in mqd_manager and clamp

checkpoint copies and reported checkpoint sizes to

min(cp_hqd_cntl_stack_size, mm->ctl_stack_size). Apply the same bound

for multi-XCC v9.4.3 checkpoint layout.

(cherry picked from commit 6c2abd0ec09e86c6323010673766f76050e28aa3) (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-68447
CVE	https://www.cve.org/CVERecord?id=CVE-2026-68447

Source

Reference

NVD

CVE