CVE-2020-26541 (GCVE-0-2020-26541)

Vulnerability from cvelistv5 – Published: 2020-10-02 18:14 – Updated: 2024-08-04 15:56
VLAI
Summary
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.
Severity
6.5 (Medium)
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:R
CWE
  • n/a
Assigner
References
URL Tags
https://lkml.org/lkml/2020/9/15/1871 x_refsource_MISC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.