CVE-2022-34835
CRITICALCVSS 9.8/10EPSS 1.67%
Last modified
CVE-2022-34835 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Denx | U-Boot | < 2022.07 | — |
| Denx | U-Boot | 2022.07 | Rc1 |
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.denx.de/pipermail/u-boot/2022-June/486113.htmlExploit, Patch, Vendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-34835?
CVE-2022-34835 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2022-34835?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-34835?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST