VulnerabilityModified
CVE-2022-34835
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.
CRITICAL 9.8EPSS 2.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.17% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- denx/u-boot
- Source
- cve@mitre.org
References
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409Exploit, Patch, Third Party Advisory
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.htmlExploit, Patch, Vendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409Patch, Vendor Advisory
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.htmlExploit, Patch, Vendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409Patch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.