A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Published 2023-01-26 21:15:25
Updated 2023-02-03 18:17:50
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

Exploit prediction scoring system (EPSS) score for CVE-2022-1892

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-2022-1892

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST
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
Lenovo Group Ltd.

CWE ids for CVE-2022-1892

  • The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
    Assigned by: nvd@nist.gov (Primary)
  • A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
    Assigned by: psirt@lenovo.com (Secondary)

References for CVE-2022-1892

Products affected by CVE-2022-1892

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