Ubuntu.comUB:CVE-2021-47336CVE-2021-47336
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws-5.4 | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws-hwe | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure-4.15 | < any | UNKNOWN |
References
git.kernel.org/linus/49ec114a6e62d8d320037ce71c1aaf9650b3cafd (5.14-rc1)
git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6
git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766
git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0
git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd
git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2
git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca
git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b
git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d
launchpad.net/bugs/cve/CVE-2021-47336
nvd.nist.gov/vuln/detail/CVE-2021-47336
security-tracker.debian.org/tracker/CVE-2021-47336
www.cve.org/CVERecord?id=CVE-2021-47336
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