CVE-2021-47490

MEDIUM

Linux Kernel < 5.4.157 - Use-After-Free in TTM Ghost Object Fence Handling

Title source: llm
STIX 2.1

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)

Core 6

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 10.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (8)
Linux/Linux < 5.14
Linux/Linux 5.14
Linux/Linux 5.14.16 - 5.14.*
Linux/Linux 5.15
Linux/Linux d02117f8efaa5fbc37437df1ae955a147a2a424a - 0db55f9a1bafbe3dac750ea669de9134922389b5
Linux/Linux d02117f8efaa5fbc37437df1ae955a147a2a424a - 132a3d998d6753047f22152731fba2b0d6b463dd
linux/linux_kernel 5.15 rc1 (7 CPE variants)
linux/linux_kernel < 5.4.157
Published May 22, 2024
Tracked Since Feb 18, 2026