Buffer overflow in Denx U-boot
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (62.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Denx U-boot — versions 2022.07
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2022-34835?
- CVE-2022-34835 is a critical-severity vulnerability in Denx U-boot, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-06-30.
- How severe is CVE-2022-34835?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-34835 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.