CVE-2021-47490

MEDIUM

Linux Kernel < 5.4.157 - Memory Leak

Title source: rule

Description

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix memleak in ttm_transfered_destroy We need to cleanup the fences for ghost objects as well. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029 Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447

References (6)

[Patch] https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5

[Patch] https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd

[Patch] https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9

[Patch] https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a

[Patch] https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd

[Patch] https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db

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 (8)

linux/linux_kernel < 5.4.157

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

Timeline

Published May 22, 2024

Tracked Since Feb 18, 2026