CVE-2026-31402 nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...