CVE-2022-49749

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.

The following products are affected by CVE-2022-49749 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2022-49749.

URL	Resource
https://git.kernel.org/stable/c/2f29d780bd691d20e89e5b35d5e6568607115e94
https://git.kernel.org/stable/c/9f36aae9e80e79b7a6d62227eaa96935166be9fe
https://git.kernel.org/stable/c/c8c37bc514514999e62a17e95160ed9ebf75ca8d
https://git.kernel.org/stable/c/ed173f77fd28a3e4fffc13b3f28687b9eba61157
https://lore.kernel.org/linux-cve-announce/2025032759-CVE-2022-49749-ed85@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2022-49749
https://www.cve.org/CVERecord?id=CVE-2022-49749