Vulnerability Details : CVE-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.
Products affected by CVE-2021-47336
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47336
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47336
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2025-05-12 |
References for CVE-2021-47336
-
https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2
smackfs: restrict bytes count in smk_set_cipso() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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