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I. Basic Information for CVE-2021-47521
Vulnerability Information

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Vulnerability Title
can: sja1000: fix use after free in ems_pcmcia_add_card()
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于存在释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux fd734c6f25aea4b2b44b045e489aec67b388577e ~ cbd86110546f7f730a1f5d7de56c944a336c15c4 -
LinuxLinux 3.2 -
II. Public POCs for CVE-2021-47521
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III. Intelligence Information for CVE-2021-47521
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47521

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