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Linux Kernel EUVDEUVD-2026-70345

| CVE-2026-80741 HIGH
2026-09-03 Linux GHSA-5gj3-6gp4-j7pm
7.1
CVSS 3.1 · Vendor: Linux
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Severity by source

Vendor (Linux) PRIMARY
7.1 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
vuln.today AI
7.1 HIGH

Local access and low privileges required to reach DRM log path; OOB read yields kernel memory disclosure (C:H) and potential panic (A:H), no integrity impact.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
6.1 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Primary rating from Vendor (Linux).

CVSS VectorVendor: Linux

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
Sep 04, 2026 - 05:28 vuln.today
CVSS changed
Sep 04, 2026 - 05:22 NVD
7.1 (HIGH)
Patch available
Sep 03, 2026 - 10:16 EUVD
CVE Published
Sep 03, 2026 - 08:26 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 03, 2026 - 08:26 cve.org
HIGH 7.1

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved:

drm/log: Fix out-of-bounds read on empty message length

drm_log_draw_kmsg_record() accesses s[len - 1] to strip the trailing newline, but len is unsigned int. If len is 0, the subtraction wraps to UINT_MAX, causing an out-of-bounds read.

Add an early return when len is 0.

AnalysisAI

Out-of-bounds kernel memory read in the Linux kernel DRM log subsystem allows a local low-privileged user to potentially disclose kernel memory contents or crash the system. The flaw resides in drm_log_draw_kmsg_record(), where an unsigned integer underflow on a zero-length message causes an array access at offset UINT_MAX (0xFFFFFFFF) rather than a valid buffer position. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires local, authenticated access to the target system with at least low-privilege (user-level) credentials - PR:L in the CVSS vector confirms this. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H assigns high confidentiality and availability impact, which is broadly defensible given that kernel OOB reads can disclose sensitive memory contents and trigger kernel panics. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the vendor-released stable-kernel patches for the appropriate branch: upgrade to Linux 6.18.46 or later, Linux 7.1.10 or later, or Linux 7.2 or later, depending on the kernel series in use. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify and catalog all Linux systems with GPU/DRM support in your infrastructure, prioritizing those running unpatched kernel versions. …

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Not-Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Not-Affected
SUSE Linux Enterprise High Availability Extension 16.0 Not-Affected

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EUVD-2026-70345 vulnerability details – vuln.today

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