CVE-2020-13844 (GCVE-0-2020-13844)

Vulnerability from cvelistv5 – Published: 2020-06-08 22:46 – Updated: 2024-08-04 12:32
VLAI
Summary
Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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      "current_release_date": "2026-06-28T07:31:59+00:00",
      "cve": "CVE-2020-13844",
      "id": "CVE-2020-13844",
      "initial_release_date": "2020-06-07T14:00:00+00:00",
      "product_status:known_affected": "139",
      "product_status:known_not_affected": "60",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ARM straight-line speculation vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-13844.json",
      "version": "3"
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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

Author Source Type Date Other

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.