Vulnerability · Published Jun 29, 2022 · Assigned by mitre
CVE-2022-34835
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 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.3%top 16.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-34835 |
| Debian:13 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-34835 |
| Debian:14 | u-boot | 2022.07+dfsg-1 | DEBIAN-CVE-2022-34835 |
| 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-2022-34835 |
Affected products (as reported)
References
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.html x_refsource_MISC
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 x_refsource_MISC
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html