CVE-2021-47601
"Amazon tee NULL Pointer Dereference Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.
INFO
Published Date :
June 19, 2024, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 6:36 a.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-2021-47601.
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-2021-47601 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47601 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 Added Reference https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 Added Reference https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 -
Initial Analysis by [email protected]
Aug. 27, 2024
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 Changed Reference Type https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 No Types Assigned https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 Patch Changed Reference Type https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 No Types Assigned https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 Patch Changed Reference Type https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 No Types Assigned https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.10.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.11 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 19, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference. Added Reference kernel.org https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 [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-2021-47601 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-2021-47601
weaknesses.