VULNERABILITY INTELLIGENCE
CVE-2022-49749
CVSS score5.5 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2025-03-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: designware: use casting of u64 in clock multiplication to avoid overflow In functions i2c_dw_scl_lcnt() and i2c_dw_scl_hcnt() may have overflow by depending on the values of the given parameters including the ic_clk. For example in our use case where ic_clk is larger than one million, multiplication of ic_clk * 4700 will result in 32 bit overflow. Add cast of u64 to the calculation to avoid multiplication overflow, and use the corresponding define for divide.
Weakness classification
- nvd@nist.gov: CWE-190
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-190