Linux Kernel up to 7.2.12 drm-amdgpu buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.2.12. It has been declared as very critical. This affects an unknown function of the component drm-amdgpu. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2026-99261. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 7.2.12 and classified as very critical. This vulnerability affects some unknown processing of the component drm-amdgpu. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: correct reservation fence slots for userq per-vm BOs eviction It fixes both the move overflow and the eviction fence add for evicting these per-vm BOs.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-99261 since 09/25/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/04/2026).

The vulnerability scanner Nessus provides a plugin with the ID 375587 (Linux Distros Unpatched Vulnerability : CVE-2026-99261), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.2.13 eliminates this vulnerability. Applying the patch 76acfb84973bd316c9fffbdfc631f3cfb1cfa4cc/50b24a20be8c0d35f89f7d5c39533f69d84fe48e is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (375587). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

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Nessus ID: 375587
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-99261

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.2.13
Patch: 76acfb84973bd316c9fffbdfc631f3cfb1cfa4cc/50b24a20be8c0d35f89f7d5c39533f69d84fe48e

Timelineinfo

09/25/2026 CVE reserved
11/03/2026 +39 days Advisory disclosed
11/03/2026 +0 days VulDB entry created
11/04/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CNA: Linux
CVE: CVE-2026-99261 (🔒)

GCVE (CVE): GCVE-0-2026-99261
GCVE (VulDB): GCVE-100-430240

Entryinfo

Created: 11/03/2026 12:44
Updated: 11/04/2026 08:00
Changes: 11/03/2026 12:44 (58), 11/04/2026 08:00 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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