CVE-2022-33967
Publication date 20 July 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Status
Package | Ubuntu Release | Status |
---|---|---|
u-boot | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Fixed 2022.01+dfsg-2ubuntu2.3
|
|
20.04 LTS focal |
Fixed 2021.01+dfsg-3ubuntu0~20.04.5
|
|
18.04 LTS bionic |
Fixed 2020.10+dfsg-1ubuntu0~18.04.3
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 · High |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5764-1
- U-Boot vulnerabilities
- 6 December 2022