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CVE-2020-28097

Good to know:

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Date: June 24, 2021

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.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2020-28097
https://access.redhat.com/security/cve/CVE-2020-28097
https://security.netapp.com/advisory/ntap-20210805-0001/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-28097
https://security-tracker.debian.org/tracker/CVE-2020-28097
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10
https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45
https://seclists.org/oss-sec/2020/q3/176
https://www.mend.io/vulnerability-database/CVE-2020-28097

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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