| Name | CVE-2022-30767 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1014471 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| u-boot (PTS) | buster | 2019.01+dfsg-7 | fixed |
| bullseye | 2021.01+dfsg-5 | vulnerable |
| bookworm | 2023.01+dfsg-2 | fixed |
| trixie | 2024.01+dfsg-1 | fixed |
| sid | 2024.01+dfsg-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| u-boot | source | experimental | 2022.07~rc4+dfsg-1 | | | |
| u-boot | source | stretch | (not affected) | | | |
| u-boot | source | buster | (not affected) | | | |
| u-boot | source | (unstable) | 2022.07+dfsg-1 | | | 1014471 |
Notes
[bullseye] - u-boot <ignored> (Minor issue)
[buster] - u-boot <not-affected> (Incorrect fix for CVE-2019-14196 not applied)
[stretch] - u-boot <not-affected> (Incorrect fix for CVE-2019-14196 not applied)
Introduced by: https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96 (v2019.10-rc4)
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/
Issue exists because of an incorrect fix for CVE-2019-14196.
Fixed by: https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80 (v2022.07-rc4)