CVE-2020-26541

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.

CVSS v3 6.5 MEDIUM
CVSS v2.0 6.9 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.6 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lkml.org/lkml/2020/9/15/1871	Exploit Vendor Advisory
https://lkml.org/lkml/2020/9/15/1871	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:20

Type	Values Removed	Values Added
References	~~() https://lkml.org/lkml/2020/9/15/1871 - Exploit, Vendor Advisory~~	() https://lkml.org/lkml/2020/9/15/1871 - Exploit, Vendor Advisory

Information

Published : 2020-10-02 19:15

Updated : 2024-11-21 05:20

NVD link : CVE-2020-26541

Mitre link : CVE-2020-26541

CVE.ORG link : CVE-2020-26541

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-Other

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