Integer Overflow in CreateHob
Published Jan 9, 2024
7.8
HIGHCVSS 3.1
EPSS 0.29%
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
-
- Version -StatusaffectedConstraints<=202311
- Version
No data.
Red Hat Enterprise Linux 8
edk2-0:20220126gitbb1bba3d77-13.el8_10
Fixed · RHSA-2024:3017
Red Hat Enterprise Linux 9
edk2-0:20231122-6.el9_4.2
Fixed · RHSA-2024:4749
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | edk2-0:20220126gitbb1bba3d77-13.el8_10 | Fixed | RHSA-2024:3017 |
| Red Hat Enterprise Linux 9 | edk2-0:20231122-6.el9_4.2 | Fixed | RHSA-2024:4749 |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat has protection mechanisms in place against buffer overflows, such as FORTIFY_SOURCE, Position Independent Executables or Stack Smashing Protection.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 8, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.29% (0.00290) | 19.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.29% (0.00290) | 20.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00030) | 5.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 10.81th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.04% (0.00043) | 8.89th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.04% (0.00043) | 6.85th | v3 (v2023.03.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2022-36765 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2257584 Issue Tracking
- https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- https://nvd.nist.gov/vuln/detail/CVE-2022-36765
- https://www.cve.org/CVERecord?id=CVE-2022-36765
Change history (0)
No recorded changes yet.