CVE-2024-26870 NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: fix nfs4listxattr kernel BUG at mm/usercopy.c:102 A call to listxattr with a buffer size = 0 returns the actual size of the buffer needed for a subsequent call. When size 0, nfs4listxattr does not return an error because...