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almalinuxAlmaLinuxALSA-2024:1063
HistoryMar 04, 2024 - 12:00 a.m.

Important: edk2 security update

2024-03-0400:00:00
errata.almalinux.org
17
edk2
security
uefi
virtual machines
buffer overflow
dhcpv6
dns servers
cve-2023-45230
cve-2023-45234
cvss score

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

20.3%

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):

  • edk2: Buffer overflow in the DHCPv6 client via a long Server ID option (CVE-2023-45230)
  • edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)

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.

OSVersionArchitecturePackageVersionFilename
almalinux8noarchedk2-ovmf< 20220126gitbb1bba3d77-6.el8_9.6.almaedk2-ovmf-20220126gitbb1bba3d77-6.el8_9.6.alma.noarch.rpm
almalinux8noarchedk2-aarch64< 20220126gitbb1bba3d77-6.el8_9.6.almaedk2-aarch64-20220126gitbb1bba3d77-6.el8_9.6.alma.noarch.rpm

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

20.3%