CVE-2021-38578

Description

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.077

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2023:1941-1(SUSE Linux Enterprise Server 12 SP5 ) ovmf-2017+git1510945757.b2662641d5-3.41.2.x86_64.rpmLinux
SUSE-SU-2023:1941-1(SUSE Linux Enterprise Server 12 SP5 ) ovmf-tools-2017+git1510945757.b2662641d5-3.41.2.x86_64.rpmLinux
SUSE-SU-2023:1941-1(SUSE Linux Enterprise Server 12 SP5 ) qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.41.2.noarch.rpmLinux
SUSE-SU-2023:2234-1(Server Applications Module 15-SP4 ) ovmf-202202-150400.5.10.1.x86_64.rpmLinux
SUSE-SU-2023:2234-1(Server Applications Module 15-SP4 ) ovmf-tools-202202-150400.5.10.1.x86_64.rpmLinux
SUSE-SU-2023:2234-1(Server Applications Module 15-SP4 ) qemu-ovmf-x86_64-202202-150400.5.10.1.noarch.rpmLinux
UEFI firmware for virtual machines (USN-7060-1) ovmf_0~20191122.bd85bf54-2ubuntu3.6_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) ovmf_2022.02-3ubuntu0.22.04.3_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) ovmf-ia32_2022.02-3ubuntu0.22.04.3_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) qemu-efi-aarch64_0~20191122.bd85bf54-2ubuntu3.6_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) qemu-efi-aarch64_2022.02-3ubuntu0.22.04.3_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) qemu-efi-arm_0~20191122.bd85bf54-2ubuntu3.6_all.debLinux
UEFI firmware for virtual machines (USN-7060-1) qemu-efi-arm_2022.02-3ubuntu0.22.04.3_all.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234