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6.7
CVSSv3

CVE-2019-20636

CVSSv4: NA | CVSSv3: 6.7 | CVSSv2: 7.2 | VMScore: 770 | EPSS: 0.00045 | KEV: Not Included
Published: 08/04/2020 Updated: 21/11/2024

Vulnerability Summary

In the Linux kernel prior to 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.

Vulnerability Trend

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linux linux kernel

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Vendor Advisories

Red Hat: Moderate: kernel security update
Synopsis Moderate: kernel security update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 76 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring Syst ...
Red Hat: Moderate: kernel security and bug fix update
Synopsis Moderate: kernel security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 74 Advanced Update Support, Red Hat Enterprise Linux 74 Telco Extended Update Support, and Red Hat Enterprise Linux 74 Update Services f ...
Red Hat: Moderate: kernel security and bug fix update
Synopsis Moderate: kernel security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 77 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability ...
Red Hat: Important: kernel-alt security and bug fix update
Synopsis Important: kernel-alt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System ...
Red Hat: Important: kernel-rt security and bug fix update
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (C ...
Red Hat: Moderate: kernel-rt security and bug fix update
Synopsis Moderate: kernel-rt security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS ...
Red Hat: Moderate: kernel security, bug fix, and enhancement update
Synopsis Moderate: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring Syst ...
Red Hat: Important: kernel security, bug fix, and enhancement update
Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

References

CWE-787https://nvd.nist.govhttps://access.redhat.com/errata/RHSA-2020:5656https://www.first.org/epsshttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlhttps://security.netapp.com/advisory/ntap-20200430-0004/https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlhttps://security.netapp.com/advisory/ntap-20200430-0004/
Preferred Score:
CVSSv3
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-29362CVE-2025-29359rising technosoftcode injectionXML injectionCVE-2025-24201vimlocal file inclusionCVE-2025-25292CVE-2024-13376devolutionssiemensCVE-2025-1257
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