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Findings

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Published Jul 18, 2022 · updated Oct 14, 2026 · linux linux kernel

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 18, 2022 · NIST NVD

    Detected

    When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

  2. Oct 14, 2026 · NIST NVD

    Updated

    When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe linux/linux kernelversion unspecified
  • cpe linux/linux kernel5.19

Sources

  • CVE.orgCVE-2021-33655

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2021-33655

    When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

    nvd.nist.gov

References