What’s Vulnerable › Vulnerabilities

CVE-2022-36765: Integer Overflow in CreateHob

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-09 · updated 2026-06-17
• Weakness: CWE-680

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.

Affected products

• TianoCore edk2: through 202311

References

• 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://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
• https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/

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