AMD EPYC/Radeon/Instinct/Ryzen GPU Driver null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.33-

Summaryinfo

A vulnerability, which was classified as critical, has been found in AMD EPYC, Radeon, Instinct and Ryzen. Affected by this vulnerability is an unknown functionality of the component GPU Driver. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2026-43603. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in AMD EPYC, Radeon, Instinct and Ryzen (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the component GPU Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

A NULL pointer dereference in the Linux GPU driver could potentially lead to a kernel crash and result in denial of service.

It is possible to read the advisory at amd.com. This vulnerability is known as CVE-2026-43603 since 05/01/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/01/2026 CVE reserved
11/03/2026 +186 days Advisory disclosed
11/03/2026 +0 days VulDB entry created
11/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CNA: AMD
CVE: CVE-2026-43603 (🔒)

GCVE (CVE): GCVE-0-2026-43603
GCVE (VulDB): GCVE-100-430375

Entryinfo

Created: 11/03/2026 16:27
Changes: 11/03/2026 16:27 (63)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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