What’s Vulnerable › Vulnerabilities

CVE-2021-47648: gpu: host1x: Fix a memory leak in 'host1x_remove()'

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix a memory leak in 'host1x_remove()' Add a missing 'host1x_channel_list_free()' call in the remove function, as already done in the error handling path of the probe function.

Affected products

• Linux kernel: from 4.13 before 5.10.110; from 5.11 before 5.15.33; from 5.16 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.10.110, 5.15.33, 5.16.19, 5.17.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.110, 5.15.33, 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/025c6643a81564f066d8381b9e2f4603e0f8438f
• https://git.kernel.org/stable/c/5124a344983e1b9670dae7add0e4d00d589aabcd
• https://git.kernel.org/stable/c/6bb107332db28a0e9256c2d36a0902b85307612c
• https://git.kernel.org/stable/c/c06577a80485511b894cb688e881ef0bc2d1d296
• https://git.kernel.org/stable/c/fe1ce680560d4f0049ffa0c687de17567421c1ec

Get alerted when CVE-2021-47648 or the next vulnerability affects your stack