CVE-2020-26541

Advisory lineage Upstream: 0 Downstream: 27
Modified
Published: 02 Oct 2020, 18:14
Last modified:04 Aug 2024, 15:56

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
6.9 MEDIUM
v2.0 (nvd)
EPSS Score
0.11% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

02 Oct 2020, 18:14
Published
Vulnerability first disclosed
04 Aug 2024, 15:56
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:R
  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.11%• Percentile: 30%

Affected Systems

  • linux•linux_kernel

    ≤ 5.8.13

References (1)