CVE-2020-28097
MEDIUM
5.9
CVSS Score
Published: June 24, 2021 at 12:00 PM UTC
Updated: October 8, 2026 at 09:17 PM UTC
10 products affected across 2 vendorsLinux KernelCloud BackupH700S Firmware· also runs on 8 platforms
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
The 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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.8.10*
Affected range stops below 5.8.10, so it looks safe — our inference, not a vendor statement
Cloud Backup· NetAppdrupal
95%-
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45x_refsource_MISCExploitMailing ListPatchThird Party Advisory
Source: [email protected]
https://seclists.org/oss-sec/2020/q3/176x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210805-0001/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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