CVE-2022-30767

Publication date 16 May 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
u-boot 25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Fixed 2022.01+dfsg-2ubuntu2.3
21.10 impish Ignored end of life
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

sbeattie

introduced in 5d14ee4e53a81055d34ba280cb8fd90330f22a96 upstream

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
u-boot

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