CVE-2021-47336
HighIn the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smk_set_cipso() Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: [PATCH] smackfs: restrict bytes count in smk_set_cipso() Commit 7ef4c19d245f3dc2 ("smackfs: restrict bytes count in smackfs write functions") missed that count > SMK_CIPSOMAX check applies to only format == SMK_FIXED24_FMT case.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
The following references provide additional information about CVE-2021-47336 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6
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PatchKernel patch commithttps://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766
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PatchKernel patch commithttps://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0
Frequently asked questions
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What is CVE-2021-47336?
CVE-2021-47336 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2021-47336 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2021-47336?
CVE-2021-47336 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2021-47336?
No patch is currently available for CVE-2021-47336. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-47336 actively exploited?
No — CVE-2021-47336 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.