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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 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
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