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 |