CVE-2021-33656 (GCVE-0-2021-33656)

Vulnerability from cvelistv5 – Published: 2022-07-18 14:44 – Updated: 2026-10-08 21:14
VLAI
Summary
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 21:11 UTC
CWE
Assigner
openEuler CNA under the mitre root
CNA scorecard – unranked: 0 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
n/a openEuler:kernel Affected: <5.10.127
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.



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