Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-20636

In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.7, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 18 products from linux, from netapp, from netapp and 15 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-04-08T14:15:12.600

Last Modified

2024-11-21T04:38:56.037

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.16.83	Yes
Operating System	linux	linux_kernel	< 4.4.210	Yes
Operating System	linux	linux_kernel	< 4.9.210	Yes
Operating System	linux	linux_kernel	< 4.14.165	Yes
Operating System	linux	linux_kernel	< 4.19.96	Yes
Operating System	linux	linux_kernel	< 5.4.12	Yes
Application	netapp	cloud_backup	-	Yes
Application	netapp	solidfire	-	Yes
Application	netapp	steelstore_cloud_integrated_storage	-	Yes
Hardware	netapp	fas_8300	-	Yes
Hardware	netapp	fas_8700	-	Yes
Hardware	netapp	fas_a400	-	Yes
Hardware	netapp	fas_baseboard_management_controller_a220	-	Yes
Hardware	netapp	fas_baseboard_management_controller_a320	-	Yes
Hardware	netapp	fas_baseboard_management_controller_a800	-	Yes
Hardware	netapp	fas_baseboard_management_controller_c190	-	Yes
Hardware	netapp	h300s	-	Yes
Hardware	netapp	h410s	-	Yes
Hardware	netapp	h500s	-	Yes
Hardware	netapp	h610c	-	Yes
Hardware	netapp	h610s	-	Yes
Hardware	netapp	h615c	-	Yes
Hardware	netapp	h700s	-	Yes

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12 Release Notes, Vendor Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784 Patch, Vendor Advisory ([email protected])
https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20200430-0004/ Third Party Advisory ([email protected])
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20200430-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.