CVE-2021-47442
NXP NFC Memory Leak
Description
In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed.
INFO
Published Date :
May 22, 2024, 7:15 a.m.
Last Modified :
Jan. 7, 2025, 8:14 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-2021-47442.
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-2021-47442 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47442 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.
-
Initial Analysis by [email protected]
Jan. 07, 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 from (including) 3.13 up to (excluding) 4.4.290 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.288 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.252 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.213 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.155 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.75 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.14 *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:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212 No Types Assigned https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212 Patch Changed Reference Type https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212 No Types Assigned https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212 Patch Changed Reference Type https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 No Types Assigned https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 Patch Changed Reference Type https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 No Types Assigned https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 Patch Changed Reference Type https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db No Types Assigned https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db Patch Changed Reference Type https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db No Types Assigned https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db Patch Changed Reference Type https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 No Types Assigned https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 Patch Changed Reference Type https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 No Types Assigned https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 Patch Changed Reference Type https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 No Types Assigned https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 Patch Changed Reference Type https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 No Types Assigned https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 Patch Changed Reference Type https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a No Types Assigned https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a Patch Changed Reference Type https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a No Types Assigned https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a Patch Changed Reference Type https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 No Types Assigned https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 Patch Changed Reference Type https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 No Types Assigned https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 Patch Changed Reference Type https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 No Types Assigned https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 Patch Changed Reference Type https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 No Types Assigned https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 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/071bdef36391958c89af5fa2172f691b31baa212 Added Reference https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 Added Reference https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db Added Reference https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 Added Reference https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 Added Reference https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a Added Reference https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 Added Reference https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 -
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: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed. Added Reference kernel.org https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7 [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-2021-47442 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-2021-47442
weaknesses.