CVE-2022-30767
9.8
CRITICAL
CVSS 3.1
EPSS 0.15%
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.
How to fix CVE-2022-30767
To remediate CVE-2022-30767, upgrade the affected package to a fixed version below.
- Debian/u-boot—upgrade to 2021.01+dfsg-5+deb11u1 or later
Is CVE-2022-30767 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2021.01+dfsg-5+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |