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Red Hat: CVE-2020-26541: CVE-2020-26541 kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (Multiple Advisories)

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Red Hat: CVE-2020-26541: CVE-2020-26541 kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
10/02/2020
Created
06/30/2021
Added
06/30/2021
Modified
03/13/2024

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2020-26541
  • RHSA-2021:2570
  • RHSA-2021:2599
  • RHSA-2021:2666
  • RHSA-2021:2718
  • RHSA-2021:2719

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