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.

CVSS v3.1

4.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

1.9 LOWAV:L/AC:M/Au:N/C:P/I:N/A:N

EPSS

0.44% chance of exploitation in the next 30 days, 37th percentile

Published

2020-12-02

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://lkml.org/lkml/2020/10/16/84

References

• CVE Record
• NVD entry

Related

• CVE-2020-25637
• CVE-2020-25663
• CVE-2020-25627
• CVE-2020-25668
• CVE-2020-25613
• CVE-2020-25669