CVE-2021-47571
"RTL8192e Use After Free Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that.
INFO
Published Date :
May 24, 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 :
5.9
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-2021-47571.
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-2021-47571 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47571 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/2e1ec01af2c7139c6a600bbfaea1a018b35094b6 Added Reference https://git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64 Added Reference https://git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b Added Reference https://git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4 Added Reference https://git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef Added Reference https://git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82 Added Reference https://git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443 Added Reference https://git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594 -
Initial Analysis by [email protected]
Jun. 10, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.kernel.org/stable/c/2e1ec01af2c7139c6a600bbfaea1a018b35094b6 No Types Assigned https://git.kernel.org/stable/c/2e1ec01af2c7139c6a600bbfaea1a018b35094b6 Patch Changed Reference Type https://git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64 No Types Assigned https://git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64 Patch Changed Reference Type https://git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b No Types Assigned https://git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b Patch Changed Reference Type https://git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4 No Types Assigned https://git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4 Patch Changed Reference Type https://git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef No Types Assigned https://git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef Patch Changed Reference Type https://git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82 No Types Assigned https://git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82 Patch Changed Reference Type https://git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443 No Types Assigned https://git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443 Patch Changed Reference Type https://git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594 No Types Assigned https://git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594 Patch Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.2 up to (excluding) 4.4.294 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.292 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.257 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.219 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.163 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.83 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.6 -
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. 24, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that. Added Reference kernel.org https://git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2e1ec01af2c7139c6a600bbfaea1a018b35094b6 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4 [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-2021-47571 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-2021-47571
weaknesses.