CVE - CVE-2021-47521

CVE-ID
CVE-2021-47521	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec URL:https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec MISC:https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a URL:https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a MISC:https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45 URL:https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45 MISC:https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce URL:https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce MISC:https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288 URL:https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288 MISC:https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36 URL:https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36 MISC:https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4 URL:https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4 MISC:https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa URL:https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa
Assigning CNA
kernel.org
Date Record Created
20240524	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240524)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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