CVE-2020-28097

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Summary

CVECVE-2020-28097
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-24 12:15:07 UTC
Updated2026-10-08 21:17:27 UTC
DescriptionThe vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.005190000 probability, percentile 0.423620000 (date 2026-10-10)

Problem Types: CWE-125 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
2.0[email protected]Primary3.6AV:L/AC:L/Au:N/C:P/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Application Netapp Cloud Backup - All All All
Hardware Netapp H300e - All All All
Operating System Netapp H300e Firmware - All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500e - All All All
Operating System Netapp H500e Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700e - All All All
Operating System Netapp H700e Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch, Vendor Advisory
CVE-2020-28097 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
oss-sec: Linux Kernel: out-of-bounds reading in vgacon_scrolldelta af854a3a-2127-422b-91ae-364da2661108 seclists.org Exploit, Mailing List, Patch, Third Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10 af854a3a-2127-422b-91ae-364da2661108 cdn.kernel.org Patch, Vendor Advisory
vgacon: remove software scrollback support · torvalds/linux@973c096 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159380 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9442)
  • 390219 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0030)
  • 670744 EulerOS Security Update for kernel (EulerOS-SA-2021-2502)
  • 670772 EulerOS Security Update for kernel (EulerOS-SA-2021-2530)
  • 670796 EulerOS Security Update for kernel (EulerOS-SA-2021-2554)
  • 751696 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0364-1)
  • 751700 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0363-1)
  • 751703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0372-1)
  • 751704 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0370-1)
  • 752005 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0370-1)
  • 753172 SUSE Enterprise Linux Security Update for the Linux RT Kernel (SUSE-SU-2022:0543-1)
  • 753212 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0363-1)

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