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Linux Kernel CVE-2026-80608

| EUVDEUVD-2026-67484 HIGH
2026-08-28 Linux GHSA-79jg-fp86-q5xg
Information Disclosure Linux Red Hat Suse
8.8
CVSS 3.1 · Vendor: Linux
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Severity by source

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

AC:H assigned because race-condition exploitation between device removal and GEM object callbacks requires precise timing; all other metrics match the provided vector.

3.1 AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SUSE
HIGH
qualitative
Red Hat
5.5 MEDIUM
qualitative

Primary rating from Vendor (Linux).

CVSS VectorVendor: Linux

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

Lifecycle Timeline

5
Analysis Generated
Aug 29, 2026 - 07:31 vuln.today
CVSS changed
Aug 29, 2026 - 07:22 NVD
8.8 (HIGH)
Patch available
Aug 28, 2026 - 09:02 EUVD
CVE Published
Aug 28, 2026 - 06:48 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 28, 2026 - 06:48 cve.org
HIGH 8.8

DescriptionCVE.org

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

accel/amdxdna: Fix iommu domain lifetime race during device removal

When force_iova mode is enabled, amdxdna_remove() frees xdna->domain. If amdxdna_gem_obj_free() is called after device removal, it may attempt to access xdna->domain, resulting in a use-after-free.

Fix the race by adding freeing xdna->domain as a managed release action, so its lifetime is managed by DRM and remains valid until all managed resources are released.

AnalysisAI

Use-after-free race condition in the Linux kernel's amdxdna AMD AI accelerator driver allows a local low-privileged user to trigger kernel memory corruption by racing device removal against GEM object deallocation, potentially achieving full kernel privilege escalation. The flaw is specific to deployments where force_iova mode is enabled in the amdxdna driver, limiting the real-world exposure to systems with AMD XDna-capable hardware. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
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Delivery
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Exploit
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Vulnerability AssessmentAI

Exploitation Force_iova mode must be explicitly enabled in the amdxdna driver - this is a non-default configuration, and systems without it set are not vulnerable to this specific race path. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 score (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H) merits scrutiny on the AC dimension: race conditions between device removal and asynchronous GEM object callbacks are inherently timing-sensitive, and reliable exploitation typically requires repeated attempts or an adversary-controlled environment - the AC:L rating likely overstates exploitability. … 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 Upgrade to Linux kernel 7.1.5 or 7.2, both confirmed by EUVD-2026-67484 to contain the fix. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify and document all Linux systems with AMD XDna hardware where force_iova mode is enabled in the amdxdna driver configuration. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 16.0 Affected

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CVE-2026-80608 vulnerability details – vuln.today
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