kernel: x86/CPU/AMD: Terminate the erratum_1386_microcode array

A flaw was found in the AMD CPU erratum handling code in the Linux kernel. The erratum1386microcode array lacked a proper terminator, which could cause the x86matchcpuwithstepping function to read beyond the end of the array. This results in undefined behavior during CPU feature detection and...

SUSE CVE-2025-37751

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Avoid running off the end of an AMD erratum table The NULL array terminator at the end of erratum1386microcode was removed during the switch from x86cpudesc to x86cpuid. This causes readers to run off the end of the arra...