In the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: Fix a reference leak in a6xx_gpu_init() In a6xx_gpu_init(), node… (CVE-2026-64154)
A reference leak vulnerability was fixed in the Linux kernel's drm/msm/adreno driver within the a6xx_gpu_init() function. The issue involved a failure to release a device node reference in certain early error return paths, potentially leading to resource leaks. The fix introduced a cleanup handler to ensure proper release of the reference when the variable goes out of scope.
AI Analysis
Technical Summary
The vulnerability in the Linux kernel's drm/msm/adreno driver (CVE-2026-64154) was caused by a reference leak in the a6xx_gpu_init() function. Specifically, the device node obtained via of_parse_phandle() was not always released on early error returns, bypassing the manual of_node_put() call. This could lead to a reference leak and potential resource exhaustion. The patch uses the __free(device_node) cleanup handler to automatically release the reference when the variable goes out of scope, ensuring proper resource management.
Potential Impact
The vulnerability results in a reference leak which may cause resource exhaustion or instability in the kernel graphics driver subsystem. There is no indication of direct code execution or privilege escalation from this leak. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available and has been applied in the Linux kernel source. Users should update to the latest kernel version containing this patch. Since this is a kernel-level fix, applying the official kernel update from the vendor or distribution is the recommended remediation.
In the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: Fix a reference leak in a6xx_gpu_init() In a6xx_gpu_init(), node… (CVE-2026-64154)
Description
A reference leak vulnerability was fixed in the Linux kernel's drm/msm/adreno driver within the a6xx_gpu_init() function. The issue involved a failure to release a device node reference in certain early error return paths, potentially leading to resource leaks. The fix introduced a cleanup handler to ensure proper release of the reference when the variable goes out of scope.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in the Linux kernel's drm/msm/adreno driver (CVE-2026-64154) was caused by a reference leak in the a6xx_gpu_init() function. Specifically, the device node obtained via of_parse_phandle() was not always released on early error returns, bypassing the manual of_node_put() call. This could lead to a reference leak and potential resource exhaustion. The patch uses the __free(device_node) cleanup handler to automatically release the reference when the variable goes out of scope, ensuring proper resource management.
Potential Impact
The vulnerability results in a reference leak which may cause resource exhaustion or instability in the kernel graphics driver subsystem. There is no indication of direct code execution or privilege escalation from this leak. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available and has been applied in the Linux kernel source. Users should update to the latest kernel version containing this patch. Since this is a kernel-level fix, applying the official kernel update from the vendor or distribution is the recommended remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-cf8p-8jpf-qj34
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64154"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5d27a82a4a8d598912aef6
Added to database: 07/19/2026, 19:38:16 UTC
Last enriched: 07/19/2026, 19:45:17 UTC
Last updated: 07/20/2026, 17:26:47 UTC
Views: 13
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