CVE-2021-47655

MEDIUM

Linux Kernel < 5.16.19 - Memory Leak

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: media: venus: vdec: fixed possible memory leak issue The venus_helper_alloc_dpb_bufs() implementation allows an early return on an error path when checking the id from ida_alloc_min() which would not release the earlier buffer allocation. Move the direct kfree() from the error checking of dma_alloc_attrs() to the common fail path to ensure that allocations are released on all error paths in this function. Addresses-Coverity: 1494120 ("Resource leak")

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 10.5%
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 (1)

linux/linux_kernel < 5.16.19

Timeline

Published Feb 26, 2025
Tracked Since Feb 18, 2026