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CVE-2021-47521 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.


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

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Hyperlink Resource
https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec Patch 
https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a Patch 
https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45 Patch 
https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce Patch 
https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288 Patch 
https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36 Patch 
https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4 Patch 
https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47521
NVD Published Date:
05/24/2024
NVD Last Modified:
06/10/2024
Source:
kernel.org