CVE-2026-68240

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-68240

Key Details

CVE	CVE-2026-68240
CVSS Score / Version	8.8 (High) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`
CVSS Prose	attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; 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/gpusvm: publish dpagemap early to avoid device mapping leak on error

drm_gpusvm_get_pages() only stored the local dpagemap into

svm_pages->dpagemap on the success path. If a later page failed (e.g.

-EOPNOTSUPP when ctx->allow_mixed is false) and jumped to err_unmap,

svm_pages->dpagemap was still NULL, so __drm_gpusvm_unmap_pages() skipped

device_unmap() and leaked the device mappings already created.

Assign svm_pages->dpagemap when the first device page is mapped so the

err_unmap path can device_unmap() those mappings.

This issue was found by Sashiko AI review. (NVD)

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

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-68240
CVE	https://www.cve.org/CVERecord?id=CVE-2026-68240

Source

Reference

NVD

CVE