CVE-2021-47336

CVE-2021-47336: vulnerability in Linux

smackfs: restrict bytes count in smk_set_cipso()

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 85% of all CVEs
observed exploitation
nono source reports it
In 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.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafdhttps://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fcahttps://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512bhttps://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d