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VULNERABILITIES

CVE-2026-99118 Details

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dmc: Harden DMC firmware payload parsing Validate the conversion of the DMC firmware size from dwords to bytes using check_mul_overflow() before calculating the firmware payload size. Reject zero-length payloads and zero MMIO counts in the DMC firmware header so malformed firmware is caught early. Also set dmc_fw_size only after the payload allocation succeeds. (cherry picked from commit efde6601a1f1daedfe3dcc2816c934ddb44e3eef)

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/05f7a2f712f8b287a98ee61a7c2c6b72dad2fc6d kernel.org
https://git.kernel.org/stable/c/0e396088fa5c1f96ff43de29c2a2f8807078723d kernel.org
https://git.kernel.org/stable/c/4589ad76a6b1011538600ad398baf0b7d73a1252 kernel.org
https://git.kernel.org/stable/c/53068cf3851dd4e00e8e668563e0353d9d79a98b kernel.org
https://git.kernel.org/stable/c/8bb1858db453cd4250e3b633f5d2d09206024ca6 kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-99118
NVD Published Date:
Oct 28, 2026
NVD Last Modified:
Oct 30, 2026
Source:
kernel.org
CVE-2026-99118 Details - Not Deferred