Home/CVE/The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out
CVE

CVE-2020-28097

The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out

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.

MEDIUM · CVSS 5.9 EPSS 0.00091
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

10
linux kernel< 5.8.10
netapp cloud backupall versions
netapp h410c firmwareall versions
netapp h300s firmwareall versions
netapp h500s firmwareall versions
netapp h700s firmwareall versions
netapp h300e firmwareall versions
netapp h500e firmwareall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Jun 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

8
suse-csafSUSE-SU-2022:0555-1
suse-csafSUSE-SU-2022:0543-1
suse-csafopenSUSE-SU-2022:0370-1
suse-csafSUSE-SU-2022:0370-1
suse-csafSUSE-SU-2022:0372-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10PatchVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45PatchVendor Advisory
https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45PatchThird Party Advisory
https://seclists.org/oss-sec/2020/q3/176ExploitMailing ListPatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0001/Third Party Advisory
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