CVE-2022-49643 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ima: Fix a potential integer overflow in ima_appraise_measurement

When the ima-modsig is enabled the rc passed to evm_verifyxattr() may be negative which may cause the integer overflow problem.

Reference

https://git.kernel.org/stable/c/388f3df7c3c8b7f2a32b9ae0a9b2f9f6ad3b1b77 https://git.kernel.org/stable/c/640cea4c2839a821adfbb703b590a5928abe9286 https://git.kernel.org/stable/c/831e190175f10652be93b08436cc7bf2e62e4bb6 https://git.kernel.org/stable/c/c8d5d81940938b5f6c0f495ca9538e7740416f30 https://git.kernel.org/stable/c/d2ee2cfc4aa85ff6a2a3b198a3a524ec54e3d999