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TI-2022-17009 Aliases CVE-2022-36765

Integer Overflow in CreateHob

Priority LOW 34CWE-680Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TianoCoreedk2up to 202311—No fix listedCNA
  • edk2 VendorTianoCore Affected up to 202311 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*up to 202311VulnerableTianoCore
  • cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:* Versions up to 202311 Vulnerable ·TianoCore

Remediation

Red Hat 2 advisories

  • RHSA-2024:4749 Released 2024-07-23 · Red Hat rating Moderate
    edk2 security update
    • Red Hat Enterprise Linux AppStream (v. 9) edk2-20231122-6.el9_4.2, edk2-aarch64-20231122-6.el9_4.2, edk2-ovmf-20231122-6.el9_4.2
    • Red Hat Enterprise Linux CRB (v. 9) edk2-aarch64-20231122-6.el9_4.2, edk2-ovmf-20231122-6.el9_4.2, edk2-tools-20231122-6.el9_4.2 +1
  • RHSA-2024:3017 Released 2024-05-22 · Red Hat rating Important
    edk2 security update
    • Red Hat Enterprise Linux AppStream (v. 8) edk2-20220126gitbb1bba3d77-13.el8_10, edk2-aarch64-20220126gitbb1bba3d77-13.el8_10, edk2-ovmf-20220126gitbb1bba3d77-13.el8_10

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:3017
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:4749
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:4749

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-36765

References

Advisory 1

Other 1

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-24240 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
  • TI-2023-24238 Infinite loop in EDK II Network Package CVSS 3.1HIGH 7.5
  • TI-2023-24235 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
  • TI-2023-26565 An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. CVSS 3.1MEDIUM 6.7
  • TI-2023-24236 Out-of-Bounds Read in EDK II Network Package CVSS 3.1MEDIUM 6.5
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences