Description
Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via adjacent access.
References (2)
Core 2
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.tianocore.org/show_bug.cgi?id=1995
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html
Scores
CVSS v3
8.0
EPSS
0.0073
EPSS Percentile
49.8%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (2)
debian/debian_linux
9.0
tianocore/edk2
Published
Nov 23, 2020
Tracked Since
Feb 18, 2026