description: A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
problem types: CWE-476 - NULL Pointer Dereference
affected:
{
product: kernel
vendor: n/a
versions:
status: affected, version: Affects v5.4–5.12, v5.13-rc+HEAD
}