CVE-2026-68269
Received Received - Intake

Spectre Mitigation Missing in Linux Kernel i915 GEM

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Add missing nospec on parallel submit slot Add missing Spectre mitigation for userspace controlled parallel submission slot. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 15b9353deff3cf72331c387780de3cf9c316b643)

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-68269
EUVD
EUVD-2026-55370

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a Spectre vulnerability in the Linux kernel's i915 graphics driver. It involves missing Spectre mitigation for userspace-controlled parallel submission slots in the drm/i915/gem component. Spectre vulnerabilities allow attackers to bypass memory isolation and access sensitive data.

Detection Guidance

This vulnerability is specific to the Linux kernel's drm/i915/gem component and involves missing Spectre mitigation for parallel submission slots. Detection requires checking kernel versions and verifying if the fix is applied. Use uname -a to check kernel version and grep for the specific commit in kernel logs or source code.

Impact Analysis

An attacker could exploit this to read sensitive data from memory, potentially including passwords, encryption keys, or other confidential information. This could affect any system running a vulnerable Linux kernel with the i915 driver.

Mitigation Strategies

Apply the latest kernel update that includes the fix for this issue. If using a distribution kernel, update via package manager (e.g., apt upgrade or yum update). If using a custom kernel, apply the patch from the referenced commit 15b9353deff3cf72331c387780de3cf9c316b643.

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