Description
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.
Published: 2020-12-02
Score: 4.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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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
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Debian Debian Linux
Linux Linux Kernel
Redhat Enterprise Linux Rhel Extras Rt
Starwindsoftware Starwind Virtual San
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

Reserved: 2020-09-16T00:00:00.000Z

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

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Weaknesses