Published: 09/01/2024 Updated: 13/03/2024

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 0

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.

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tianocore edk2

Debian Bug report logs - #1060408 edk2: CVE-2022-36763 CVE-2022-36764 CVE-2022-36765 Package: src:edk2; Maintainer for src:edk2 is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Wed, 10 Jan 2024 19:48:02 UTC Severity: important Tags: security, upstrea ...

DescriptionA flaw was found in the CreateHob() function in EDK2 An attacker, leveraging a local network, can initiate an integer overflow leading to a buffer overflow This issue arises during size alignment within the CreateHob() function, requiring activation in the PEI phase Successful exploitation of this flaw poses a moderate threat t ...

CWE-119 https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1060408 https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2022-36765

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CVE-2022-36765

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