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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2483-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2494-1 linux security update
EUVD EUVD EUVD-2020-18320 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.
Ubuntu USN Ubuntu USN USN-4679-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4680-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4681-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4751-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T15:40:36.449Z

Reserved: 2020-09-16T00:00:00

Link: CVE-2020-25656

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-02T01:15:12.607

Modified: 2024-11-21T05:18:22.093

Link: CVE-2020-25656

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-10-16T00:00:00Z

Links: CVE-2020-25656 - Bugzilla

cve-icon OpenCVE Enrichment

No data.