CVE-2021-4202
Linux NFC Controller Interface (NCI) Use-After-Free Privilege Escalation
Description
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
INFO
Published Date :
March 25, 2022, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:40 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.0
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-2021-4202.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/06/01/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2022/06/04/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2022/06/07/2 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2036682 | Issue Tracking Patch Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 | Exploit Patch Vendor Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 | Exploit Patch Vendor Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 | Exploit Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220513-0002/ | Third Party Advisory |
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-2021-4202 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4202 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-416 -
Reanalysis by [email protected]
Aug. 04, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.16 *cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* 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) 5.5.0 up to (excluding) 5.10.82 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.5 -
Modified Analysis by [email protected]
Oct. 06, 2022
Action Type Old Value New Value Removed CVSS V2 NIST (AV:L/AC:M/Au:S/C:C/I:C/A:C) Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C) Changed Reference Type http://www.openwall.com/lists/oss-security/2022/06/01/2 No Types Assigned http://www.openwall.com/lists/oss-security/2022/06/01/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2022/06/04/2 No Types Assigned http://www.openwall.com/lists/oss-security/2022/06/04/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2022/06/07/2 No Types Assigned http://www.openwall.com/lists/oss-security/2022/06/07/2 Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20220513-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20220513-0002/ Third Party Advisory -
CVE Modified by [email protected]
Jun. 07, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/06/07/2 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 05, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/06/04/2 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 02, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/06/01/2 [No Types Assigned] -
CVE Modified by [email protected]
May. 13, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220513-0002/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 07, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2036682 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2036682 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 Exploit, Patch, Vendor Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 Exploit, Patch, Vendor Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 Exploit, Patch, Vendor Advisory Added CWE NIST CWE-362 Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.16 *cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4202 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-2021-4202
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.07827
percentile