U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-46924 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: NFC: st21nfca: Fix memory leak in device probe and remove 'phy->pending_skb' is alloced when device probe, but forgot to free in the error handling path and remove path, this cause memory leak as follows: unreferenced object 0xffff88800bc06800 (size 512): comm "8", pid 11775, jiffies 4295159829 (age 9.032s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450 [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0 [<000000005fea522c>] __alloc_skb+0x124/0x380 [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2 Fix it by freeing 'pending_skb' in error and remove.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c Patch 
https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c Patch 
https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b Patch 
https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b Patch 
https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe Patch 
https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe Patch 
https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d Patch 
https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d Patch 
https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349 Patch 
https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349 Patch 
https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4 Patch 
https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-46924
NVD Published Date:
02/27/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org