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Linux Kernel CVE-2025-38361

HIGH
2025-07-25 416baaa9-dc9f-4396-8d5f-8c081fb06d67
7.8
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Mar 17, 2026 - 20:45 vuln.today
Patch released
Mar 17, 2026 - 20:45 nvd
Patch available
CVE Published
Jul 25, 2025 - 13:15 nvd
HIGH 7.8

DescriptionCVE.org

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

drm/amd/display: Check dce_hwseq before dereferencing it

[WHAT]

hws was checked for null earlier in dce110_blank_stream, indicating hws can be null, and should be checked whenever it is used.

(cherry picked from commit 79db43611ff61280b6de58ce1305e0b2ecf675ad)

AnalysisAI

A null pointer dereference vulnerability exists in the AMD display driver within the Linux kernel, where the dce_hwseq structure is accessed without proper null checking in the dce110_blank_stream function. The vulnerability affects Linux kernel versions up to 6.16-rc2 and could allow a local attacker with low privileges to cause a system crash or potentially execute arbitrary code with kernel privileges. With an EPSS score of only 0.02% and no known active exploitation, this represents a low real-world risk despite the high CVSS score.

Technical ContextAI

The vulnerability occurs in the AMD display driver's hardware sequencer code, specifically in the dce110_blank_stream function which handles display blanking operations for DCE 11.0 (Display Controller Engine) hardware. The affected products are Linux kernel versions ranging from earlier releases up through 6.16-rc2, as indicated by the CPE entries cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* and cpe:2.3:o:linux:linux_kernel:6.16:rc1/rc2:*:*:*:*:*:*. The issue stems from inconsistent null pointer checking - while the hws (hardware sequencer) pointer is checked for null early in the function, subsequent dereferences of this pointer occur without validation, creating a potential null pointer dereference condition.

RemediationAI

Apply the available kernel patches referenced in the git.kernel.org commits: 5e1482ae14b03b9fca73ef5afea26ede683f4450, 60e450eec5d63113c6ad5c456ce64c12b4496a6e, b669507b637eb6b1aaecf347f193efccc65d756e, df11bf0ef795b6d415c4d8ee54fa3f2105e75bcb, and e881b82f5d3d8d54d168cd276169f0fee01bf0e7. These patches add proper null checking before dereferencing the dce_hwseq pointer. For systems that cannot be immediately patched, consider restricting local access to trusted users only and monitoring for unexpected kernel crashes that could indicate exploitation attempts. The cherry-picked fix from commit 79db43611ff61280b6de58ce1305e0b2ecf675ad ensures the hardware sequencer pointer is validated before use.

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Vendor StatusVendor

SUSE

Severity: High
Product Status
Container suse/sl-micro/6.0/base-os-container:2.1.3-7.95 Container suse/sl-micro/6.1/base-os-container:2.2.1-5.80 Image SL-Micro Image SL-Micro-BYOS-EC2 Image SL-Micro-EC2 Image SLE-Micro Image SLE-Micro-BYOS Image SLE-Micro-BYOS-EC2 Image SLE-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 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:2.1.3-6.114 Container suse/sl-micro/6.1/kvm-os-container:2.2.1-5.82 Affected
Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.116 Container suse/sl-micro/6.1/rt-os-container:2.2.1-5.55 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-2025-38361 vulnerability details – vuln.today

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