Is CVE-2022-36765 in the CISA KEV catalog?

No. CVE-2022-36765 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-36765?

CVE-2022-36765 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2022-36765?

CVE-2022-36765 has an EPSS score of 0.29% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-36765?

Upgrade edk2 on debian 11 to 2020.11-2+deb11u3 or later. Fixes are available for 23 affected products.

CVE & CISA-KEV Catalog

CVE-2022-36765

HIGH

7.0

CVSS v3

NVD

Description

EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.

CWE-680 CWE-119Buffer Overflow

How to fix

Remediation Available

edk2Debian

Fixed in:2020.11-2+deb11u3CVE-2022-36765

Fixed in:2022.11-6+deb12u1CVE-2022-36765

Fixed in:2023.11-5CVE-2022-36765

edk2Rocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2Red Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-aarch64Rocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-aarch64Red Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-debugsourceRocky

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-debugsourceRed Hat / RHEL

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-ovmfRocky

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-ovmfRed Hat / RHEL

Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-toolsRed Hat / RHEL

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-toolsRocky

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-tools-debuginfoRed Hat / RHEL

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-tools-debuginfoRocky

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-tools-docRocky

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2-tools-docRed Hat / RHEL

Fixed in:0:20231122-6.el9_4.2RHSA-2024:4749

edk2Ubuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-aa64Ubuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-armUbuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

efi-shell-x64Ubuntu

Fixed in:2023.05-2ubuntu0.1USN-6638-1

ovmfUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

qemu-efiUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

qemu-efi-aarch64Ubuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

qemu-efi-armUbuntu

Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1

Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1

Fixed in:2023.05-2ubuntu0.1USN-6638-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

0.29%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Third-Party Advisory1

github.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.