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Linux EUVDEUVD-2026-112018

| CVE-2026-99118
2026-10-28 Linux GHSA-v3g3-p6wj-rwgr
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Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives.
Patch available

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AnalysisCVE.org

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)

Affected VersionsENISA

Linux eb805623d8b161342ed9c9caf366f0a295041a6d <05f7a2f712f8b287a98ee61a7c2c6b72dad2fc6d
Linux eb805623d8b161342ed9c9caf366f0a295041a6d <8bb1858db453cd4250e3b633f5d2d09206024ca6
Linux patch: 7.3
Linux patch: 0
Linux patch: 6.18.59
Linux 4.2
Linux patch: 7.2.13
Linux eb805623d8b161342ed9c9caf366f0a295041a6d <dfcfe2874e7c16e8460dc86ac1eeb54ea0e7f8aa

Affected Packages

euvd linux no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Lifecycle Timeline

2
Patch available
Oct 28, 2026 - 11:02 EUVD
CVE Published
Oct 28, 2026 - 10:34 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity Not scored yet
CISA KEV No
Public POC No
EPSS N/A
Patch available Yes
Active threat No
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.
Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives.

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

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