Vulnerability · Published May 16, 2022 · Assigned by mitre
CVE-2022-30767
Critical 9.8
In plain English
A critical-severity security flaw in the u-boot package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.7%top 13.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-30767 |
| Debian:13 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-30767 |
| Debian:14 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-30767 |
| Ubuntu:22.04:LTS | u-boot | 2022.01+dfsg-2ubuntu2.3 | USN-5764-1 |
| Ubuntu:22.04:LTS | u-boot | 2022.01+dfsg-2ubuntu2.3 | UBUNTU-CVE-2022-30767 |
Affected products (as reported)
References
- https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96 x_refsource_MISC
- https://lists.denx.de/pipermail/u-boot/2022-May/483952.html x_refsource_MISC
- https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/ x_refsource_MISC
- FEDORA-2022-61cf1c64f6 vendor-advisory, x_refsource_FEDORA
- https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80 x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html