Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Denx | U-Boot | <= 2022.04 |
| Fedoraproject | Fedora | 36 |
Related Weaknesses (CWE)
References
- https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96PatchThird Party Advisory
- https://lists.denx.de/pipermail/u-boot/2022-May/483952.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/ExploitThird Party Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde18PatchVendor Advisory
- https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://lists.denx.de/pipermail/u-boot/2022-May/483952.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/ExploitThird Party Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde18PatchVendor Advisory
FAQ
What is CVE-2022-30767?
CVE-2022-30767 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2022-30767?
CVE-2022-30767 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-30767?
Check the references section above for vendor advisories and patch information. Affected products include: Denx U-Boot, Fedoraproject Fedora.