Vulnerability · Published Jan 9, 2024 · Assigned by TianoCore
CVE-2022-36765Integer Overflow in CreateHob
High 7.0
In plain English
A high-severity security flaw in edk2 from TianoCore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.3%top 78.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | edk2-aarch64 | 20220126gitbb1bba3d77-13.el8_10 | ALSA-2024:3017 |
| AlmaLinux:9 | edk2-aarch64 | 20231122-6.el9_4.2 | ALSA-2024:4749 |
| AlmaLinux:8 | edk2-ovmf | 20220126gitbb1bba3d77-13.el8_10 | ALSA-2024:3017 |
| AlmaLinux:9 | edk2-ovmf | 20231122-6.el9_4.2 | ALSA-2024:4749 |
| AlmaLinux:9 | edk2-tools | 20231122-6.el9_4.2 | ALSA-2024:4749 |
| AlmaLinux:9 | edk2-tools-doc | 20231122-6.el9_4.2 | ALSA-2024:4749 |
| Debian:12 | edk2 | 2022.11-6+deb12u1 | DEBIAN-CVE-2022-36765 |
| Debian:13 | edk2 | 2023.11-5 | DEBIAN-CVE-2022-36765 |
| Debian:14 | edk2 | 2023.11-5 | DEBIAN-CVE-2022-36765 |
| Rocky Linux:8 | edk2 | 0:20220126gitbb1bba3d77-13.el8_10 | RLSA-2024:3017 |
| Ubuntu:22.04:LTS | edk2 | 2022.02-3ubuntu0.22.04.2 | USN-6638-1 |
| Ubuntu:22.04:LTS | edk2 | 2022.02-3ubuntu0.22.04.2 | UBUNTU-CVE-2022-36765 |
Affected products (as reported)
Weakness: CWE-680 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H