Linux Kernel up to 7.0.10 a6xx drm/msm/a6xx a8xx_hfi_send_perf_table null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.0.10. It has been declared as critical. Impacted is the function a8xx_hfi_send_perf_table of the file drm/msm/a6xx of the component a6xx. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2026-64215. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.0.10. It has been declared as critical. This vulnerability affects the function a8xx_hfi_send_perf_table of the file drm/msm/a6xx of the component a6xx. 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 confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Check kzalloc return in a8xx_hfi_send_perf_table Check the return value of kzalloc() to prevent a NULL pointer dereference on allocation failure. Patchwork: https://patchwork.freedesktop.org/patch/721342/

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-64215 since 07/19/2026. The exploitation appears to be easy. The attack can be initiated 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 07/29/2026).

The vulnerability scanner Nessus provides a plugin with the ID 330194 (Linux Distros Unpatched Vulnerability : CVE-2026-64215), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.0.11 eliminates this vulnerability. Applying the patch 17c993bf44a54afd1fde184ba7f9c287dfc2632e is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (330194) and CERT Bund (WID-SEC-2026-2527). Once again VulDB remains the best source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • Open Source Linux Kernel

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 330194
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-64215

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.0.11
Patch: 17c993bf44a54afd1fde184ba7f9c287dfc2632e

Timelineinfo

07/19/2026 CVE reserved
07/24/2026 +5 days Advisory disclosed
07/24/2026 +0 days VulDB entry created
07/29/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-64215 (🔒)
GCVE (CVE): GCVE-0-2026-64215
GCVE (VulDB): GCVE-100-382948
CERT Bund: WID-SEC-2026-2527 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 07/24/2026 18:09
Updated: 07/29/2026 22:23
Changes: 07/24/2026 18:09 (60), 07/27/2026 15:35 (7), 07/28/2026 10:06 (2), 07/29/2026 22:23 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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