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Linux Kernel CVE-2025-38426

MEDIUM
2025-07-25 416baaa9-dc9f-4396-8d5f-8c081fb06d67
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 25, 2026 - 11:22 vuln.today
Patch released
Mar 25, 2026 - 11:22 nvd
Patch available
CVE Published
Jul 25, 2025 - 15:15 nvd
MEDIUM 5.5

DescriptionCVE.org

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

drm/amdgpu: Add basic validation for RAS header

If RAS header read from EEPROM is corrupted, it could result in trying to allocate huge memory for reading the records. Add some validation to header fields.

AnalysisAI

Linux kernel RAS (Reliability, Availability, Serviceability) header validation in the AMD GPU driver (amdgpu) lacks input sanitization, allowing a local authenticated attacker to trigger denial of service through excessive memory allocation when reading corrupted EEPROM data. The vulnerability affects all Linux kernel versions with the vulnerable amdgpu driver code path and requires local access with standard user privileges. No public exploit code has been identified; the EPSS score of 0.02% (5th percentile) indicates low real-world exploitation probability despite the moderate CVSS 5.5 rating.

Technical ContextAI

The amdgpu driver in the Linux kernel interfaces with GPU-resident EEPROM storage to read Reliability, Availability, and Serviceability (RAS) telemetry records. The vulnerability exists in the RAS header parsing logic, specifically the code that reads and validates header fields before allocating memory buffers for RAS record data. When an EEPROM header is corrupted or maliciously crafted, the lack of bounds checking on header fields (likely record count, record size, or total buffer size fields) could cause the kernel to attempt allocation of unusually large memory regions. This is a classic integer overflow or lack-of-bounds-validation vulnerability (analogous to CWE-190 or CWE-190-adjacent integer handling flaws) that manifests as resource exhaustion. The affected product is the Linux kernel (CPE:cpe:2.3:o:linux:linux_kernel) across all versions containing the vulnerable amdgpu driver code.

RemediationAI

Apply the upstream Linux kernel patch by updating to a kernel version that includes one or more of the referenced commits (0479268fdfaaff6e15d69e8a8387410f36d1b793, 5df0d6addb7e9b6f71f7162d1253762a5be9138e, b52f52bc5ba9feb026c0be600f8ac584fd12d187, or e1903358b2152f5d64a83e796bb776aba0d3628d). Coordinate with your Linux distribution vendor to identify the specific kernel release version that includes these commits; patches are tracked in the upstream kernel source tree at https://git.kernel.org/stable/. Until a patched kernel can be deployed, restrict local system access to trusted users only and disable GPU RAS monitoring features if available in the driver configuration. Organizations running AMD GPU workloads should schedule kernel updates during the next maintenance window, prioritizing this after higher-risk CVE patches.

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container suse/sl-micro/6.0/base-os-container:2.1.3-7.44 Container suse/sl-micro/6.1/base-os-container:2.2.1-5.27 Image SL-Micro Image SL-Micro-Azure Image SL-Micro-BYOS-Azure Image SL-Micro-BYOS-EC2 Image SL-Micro-BYOS-GCE Image SL-Micro-EC2 Image SLE-Micro Image SLE-Micro-Azure Image SLE-Micro-BYOS Image SLE-Micro-BYOS-Azure Image SLE-Micro-BYOS-EC2 Image SLE-Micro-BYOS-GCE Image SLE-Micro-EC2 Image SLE-Micro-GCE Image SUSE-Multi-Linux-Manager-Proxy-BYOS-Azure Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-Azure-llc Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-Azure Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd Affected
Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.67 Container suse/sl-micro/6.1/kvm-os-container:2.2.1-5.29 Affected
Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.76 Container suse/sl-micro/6.1/rt-os-container:2.2.1-5.14 Affected
Image SLES-Azure-3P Image SLES-Azure-Basic Image SLES-Azure-Standard Image SLES-BYOS-Azure Image SLES-BYOS-EC2 Image SLES-BYOS-GCE Image SLES-CHOST-BYOS-Aliyun Image SLES-CHOST-BYOS-Azure Image SLES-CHOST-BYOS-EC2 Image SLES-CHOST-BYOS-GCE Image SLES-CHOST-BYOS-GDC Image SLES-CHOST-BYOS-SAP-CCloud Image SLES-EC2 Image SLES-GCE Image SLES-Hardened-BYOS-Azure Image SLES-Hardened-BYOS-EC2 Image SLES-Hardened-BYOS-GCE Image SLES-SAPCAL-Azure Image SLES-SAPCAL-EC2 Image SLES-SAPCAL-GCE Affected
Image SLES-SAP-Azure Image SLES-SAP-Azure-3P Image SLES-SAP-BYOS-Azure Image SLES-SAP-BYOS-EC2 Image SLES-SAP-BYOS-GCE Image SLES-SAP-GCE Affected

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CVE-2025-38426 vulnerability details – vuln.today

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