CVE-2022-49435

Summary

In the Linux kernel, the following vulnerability has been resolved:

mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe()

It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < 49c1e32e7b3f301642a60448700ec531df981269affected
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < a1d4941d9a24999f680799f9bbde7f57351ca637affected
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < 5289795824b77489803b0802cd9edc13824a2d0baffected
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < 2d00158a06efe6bbcd020108634ea0f2ed8b32f7affected
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < 579944b9f38727d9ff570b58f83bc424e8af8398affected
LinuxLinuxb5e29aa880be84c271be8d0726cec4018bfbfd74 < 311242c7703df0da14c206260b7e855f69cb0264affected
LinuxLinux5.4affected
LinuxLinux0 < 5.4unaffected
LinuxLinux5.4.198 <= 5.4.*unaffected
LinuxLinux5.10.121 <= 5.10.*unaffected
LinuxLinux5.15.46 <= 5.15.*unaffected
LinuxLinux5.17.14 <= 5.17.*unaffected
LinuxLinux5.18.3 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

References