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CVE-2019-14558

Published: 31 December 2019

Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access.

Priority

Medium

Cvss 3 Severity Score

5.7

Score breakdown

Status

Package Release Status
edk2
Launchpad, Ubuntu, Debian
bionic
Released (0~20180205.c0d9813c-2ubuntu0.2)
eoan
Released (0~20190606.20d2e5a1-2ubuntu1.1)
focal Not vulnerable
(0~20191122.bd85bf54-2ubuntu3)
trusty Does not exist

upstream
Released (0~20200229.4c0f6e34-1)
xenial
Released (0~20160408.ffea0a2c-2ubuntu0.1)
Patches:
upstream: https://github.com/tianocore/edk2/commit/f1d78c489a39971b5aac5d2fc8a39bfa925c3c5d
upstream: https://github.com/tianocore/edk2/commit/764e8ba1389a617639d79d2c4f0d53f4ea4a7387

Severity score breakdown

Parameter Value
Base score 5.7
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H