CVE-2019-11098
edk2: Insufficient input validation in MdeModulePkg may lead to privilege escalation
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 8, 2019
Updated · November 22, 2025
Description
An improper input validation flaw in the MdeModulePkg module of edk2 may allow an unauthenticated attacker with physical access to the system handled by edk2 to escalate his privileges and cause a denial of service or disclose information.
Statement
Within Red Hat Enterprise Linux, edk2 is used only on virtualized systems, thus in this context the attacker needs to be a local user of the host system who have already the ability to compromise the guests systems. For this reason, this flaw has a Low Impact on both Red Hat Enterprise Linux 7 and 8.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.4CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 · 6.1CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-20 · Improper Input Validation