Linux Kernel up to 7.2.4 UVD Ring drm/amdgpu amdgpu_uvd_resume uninitialized pointer

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00-

Summaryinfo

A vulnerability categorized as very critical has been discovered in Linux Kernel up to 7.2.4. This affects the function amdgpu_uvd_resume of the file drm/amdgpu of the component UVD Ring. Such manipulation leads to uninitialized pointer. This vulnerability is traded as CVE-2026-89827. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.2.4 and classified as very critical. Affected by this issue is the function amdgpu_uvd_resume of the file drm/amdgpu of the component UVD Ring. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. Using CWE to declare the problem leads to CWE-824. The product accesses or uses a pointer that has not been initialized. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid force-completing uninitialized UVD rings uvd_v7_0_sw_init() does not initialize the UVD decode ring for an SR-IOV VF. However, amdgpu_uvd_resume() unconditionally force-completes the decode ring when restoring its fence sequence. Skip fence completion when the fence driver is not initialized.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2026-89827 since 09/11/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/16/2026).

Upgrading to version 7.2.5 or 7.3-rc1 eliminates this vulnerability. Applying the patch 967a179463d3227dfaf9200fd654c1f5a26a11e8/6760f5cb12d2366ddd58a2d8637f7583d73f596b is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.2.5/7.3-rc1
Patch: 967a179463d3227dfaf9200fd654c1f5a26a11e8/6760f5cb12d2366ddd58a2d8637f7583d73f596b

Timelineinfo

09/11/2026 CVE reserved
09/16/2026 +5 days Advisory disclosed
09/16/2026 +0 days VulDB entry created
09/16/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-89827 (🔒)
GCVE (CVE): GCVE-0-2026-89827
GCVE (VulDB): GCVE-100-405644

Entryinfo

Created: 09/16/2026 13:13
Changes: 09/16/2026 13:13 (60)
Complete: 🔍
Cache ID: 216::103

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