Vulnerability Details : CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
Published 2022-07-18 15:15:08
Updated 2022-10-29 02:52:27
Source openEuler
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2021-33655

Exploit prediction scoring system (EPSS) score for CVE-2021-33655

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-33655

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.7
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.8
5.9
 NIST

CWE ids for CVE-2021-33655

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • nvd@nist.gov (Primary)
    • securities@openeuler.org (Secondary)

References for CVE-2021-33655

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