CVE-2022-30767
Published: 16 May 2022
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.
Notes
Author | Note |
---|---|
sbeattie | introduced in 5d14ee4e53a81055d34ba280cb8fd90330f22a96 upstream |
Priority
Status
Package | Release | Status |
---|---|---|
u-boot Launchpad, Ubuntu, Debian |
kinetic |
Not vulnerable
(2022.07+dfsg-1ubuntu4)
|
upstream |
Needed
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Released
(2020.10+dfsg-1ubuntu0~18.04.3)
|
|
focal |
Released
(2021.01+dfsg-3ubuntu0~20.04.5)
|
|
jammy |
Released
(2022.01+dfsg-2ubuntu2.3)
|
|
lunar |
Not vulnerable
(2022.07+dfsg-1ubuntu4)
|
|
Patches: upstream: https://github.com/u-boot/u-boot/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
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 |