CVE-2021-47336

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 Patch
https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 Patch
https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 Patch
https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd Patch
https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 Patch
https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca Patch
https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b Patch
https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d Patch
https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 Patch
https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 Patch
https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 Patch
https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd Patch
https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 Patch
https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca Patch
https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b Patch
https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d Patch
Configurations

Configuration 1 (hide)

OR 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:*:*:*:*:*:*:*:*
History

12 May 2025, 19:58

Type Values Removed Values Added
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 - () https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 - Patch
References () https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 - () https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 - Patch
References () https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 - () https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 - Patch
References () https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd - () https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd - Patch
References () https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 - () https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 - Patch
References () https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca - () https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca - Patch
References () https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b - () https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b - Patch
References () https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d - () https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

21 Nov 2024, 06:35

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: smackfs: restringir el recuento de bytes en smk_set_cipso() Oops, no pude actualizar la línea de asunto. De 07571157c91b98ce1a4aa70967531e64b78e8346 lunes 17 de septiembre 00:00:00 2001 Fecha: lunes 12 de abril de 2021 22:25:06 +0900 Asunto: [PATCH] smackfs: restringir el recuento de bytes en smk_set_cipso() Confirmación 7ef4c1 9d245f3dc2 ("smackfs: restringir el recuento de bytes en smackfs funciones de escritura") perdió ese recuento > La verificación SMK_CIPSOMAX se aplica solo al formato == caso SMK_FIXED24_FMT.
References () https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 - () https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 -
References () https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 - () https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 -
References () https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 - () https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 -
References () https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd - () https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd -
References () https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 - () https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 -
References () https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca - () https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca -
References () https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b - () https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b -
References () https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d - () https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d -

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2025-05-12 19:58

NVD link : CVE-2021-47336

Mitre link : CVE-2021-47336

CVE.ORG link : CVE-2021-47336

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo