CVE-2021-47490
Linux Kernel TTM Driver Memory Leak Vulnerability
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
INFO
Published Date :
May 22, 2024, 9:15 a.m.
Last Modified :
Jan. 24, 2025, 4:15 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47490.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47490 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47490 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jan. 24, 2025
Action Type Old Value New Value Removed Reference https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 Removed Reference https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a Removed Reference https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd Removed Reference https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db Removed Reference Type https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 Types: Patch Removed Reference Type https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a Types: Patch Removed Reference Type https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd Types: Patch Removed Reference Type https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db Types: Patch -
Initial Analysis by [email protected]
Jan. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.157 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.77 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.16 *cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 No Types Assigned https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 Patch Changed Reference Type https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 No Types Assigned https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 Patch Changed Reference Type https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd No Types Assigned https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd Patch Changed Reference Type https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd No Types Assigned https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd Patch Changed Reference Type https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 No Types Assigned https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 Patch Changed Reference Type https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 No Types Assigned https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 Patch Changed Reference Type https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a No Types Assigned https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a Patch Changed Reference Type https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a No Types Assigned https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a Patch Changed Reference Type https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd No Types Assigned https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd Patch Changed Reference Type https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd No Types Assigned https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd Patch Changed Reference Type https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db No Types Assigned https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db Patch Changed Reference Type https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db No Types Assigned https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 Added Reference https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd Added Reference https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 Added Reference https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a Added Reference https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd Added Reference https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 22, 2024
Action Type Old Value New Value Added 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 Added Reference kernel.org https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47490 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47490
weaknesses.