CVE-2021-47420

MEDIUM

Linux Kernel < 5.14.12 - Memory Leak

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix a potential ttm->sg memory leak Memory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr, but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!

References (2)

[Patch] https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb

[Patch] https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516

Scores

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 6.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (5)

linux/linux_kernel < 5.14.12

linux/linux_kernel

Timeline

Published May 21, 2024

Tracked Since Feb 18, 2026