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CVE-2026-99146

drm/i915/dmc: Add sanity check for DMC load address

N/A
Published: October 28, 2026 at 10:35 AM UTC
Updated: October 28, 2026 at 11:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dmc: Add sanity check for DMC load address For DMC firmware header version 3, the firmware load address is stored in dmc_info->start_mmioaddr and later used by dmc_load_program(). Unlike the MMIO address table, the firmware load address is not validated. Add a sanity check to ensure it is within the valid range. BSpec: 69671, 68378 (cherry picked from commit 5e47ee5c76ca9becde8df4ad5202845b7ffcbc4c)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
3d5928a168a9546b23c6b3439c6158d7a028326c5.15
Vendor states this is fixed in 6.18.59 (unaffected)
Vendor states this is fixed in 7.2.13 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/ef82b4d5cb4a3fe77c7f99008d78b8c64709e258
Source: cverecord
https://git.kernel.org/stable/c/2fbd099b4e7c8c4ff70033c5bb950cdbb20838e2
Source: cverecord
https://git.kernel.org/stable/c/7dedc5bb11f95e96fe80757c924d8d9aa7327759

Quick Info

StatusRECEIVED

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