CVE-2021-47336

high

Description

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.

References

https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d

https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b

https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca

https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2

https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd

https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0

https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766

https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6

Details

Source: Mitre, NVD

Published: 2024-05-21

Updated: 2025-05-12

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00109