CVE-2021-47518
Linux NFC NULL Pointer Dereference Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()).
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 :
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-2021-47518.
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-2021-47518 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47518 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/3b861a40325eac9c4c13b6c53874ad90617e944d Added Reference https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a Added Reference https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10 Added Reference https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 Added Reference https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa Added Reference https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c Added Reference https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed Added Reference https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 17, 2024
Action Type Old Value New Value -
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:N/I:N/A:H Changed Reference Type https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d No Types Assigned https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d Patch Changed Reference Type https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a No Types Assigned https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a Patch Changed Reference Type https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10 No Types Assigned https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10 Patch Changed Reference Type https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 No Types Assigned https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 Patch Changed Reference Type https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa No Types Assigned https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa Patch Changed Reference Type https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c No Types Assigned https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c Patch Changed Reference Type https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed No Types Assigned https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed Patch Changed Reference Type https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca No Types Assigned https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.12 up to (excluding) 4.4.295 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.293 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.258 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.221 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.165 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.85 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.8 -
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: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()). Added Reference kernel.org https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d22346097dca [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4cd8371a234d051f9c9557fcbb1f8c523b1c0d10 [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-2021-47518 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-2021-47518
weaknesses.