CVE-2022-36765
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 7.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-680
- Record status
- Modified
Affected
- Tianocore edk2 ≤ 202311
Attack profile CVSS 3.1 · 7.0
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-36765.md and follow it. Check whether this project is affected by CVE-2022-36765. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
- https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
References
- https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
- https://lists.fedoraproject.org/archives/list/[email protected]/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/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/