Important: edk2 security update

2023-05-1600:00:00

Google

osv.dev

edk2

uefi

virtual machines

qemu

kvm

openssl

x.400 address type confusion

timing attack

double free

use-after-free

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.9

Confidence

High

EPSS

0.005

Percentile

76.3%

JSON

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

Security Fix(es):

openssl: X.400 address type confusion in X.509 GeneralName (CVE-2023-0286)
openssl: timing attack in RSA Decryption implementation (CVE-2022-4304)
openssl: double free after calling PEM_read_bio_ex (CVE-2022-4450)
openssl: use-after-free following BIO_new_NDEF (CVE-2023-0215)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.