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Vulnerability Details : CVE-2020-25656

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
Vulnerability category: Memory Corruption
Published 2020-12-02 01:15:13
Updated 2022-10-25 17:03:05
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-25656

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-25656

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
1.9
 LOW AV:L/AC:M/Au:N/C:P/I:N/A:N
3.4
2.9
 [email protected]
4.1
 MEDIUM CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
0.5
3.6
 [email protected]

CWE ids for CVE-2020-25656

References for CVE-2020-25656

Products affected by CVE-2020-25656

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