CVE-2022-30767
Publication date 16 May 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.
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 |
Vulnerable
|
Notes
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 · Critical |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5764-1
- U-Boot vulnerabilities
- 6 December 2022