#VU104406 Memory leak in Linux kernel - CVE-2021-47648
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104406
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47648
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the host1x_remove() function in drivers/gpu/host1x/dev.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2