CVE ID:	CVE-2021-4148
Description:	A vulnerability was found in the Linux kernel's block_invalidatepage in fs/buffer.c in the filesystem. A missing sanity check may allow a local attacker with user privilege to cause a denial of service (DOS) problem.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-4148 https://bugzilla.redhat.com/show_bug.cgi?id=2026487 https://bugzilla.redhat.com/show_bug.cgi?id=2026487 https://lkml.org/lkml/2021/9/12/323 https://lkml.org/lkml/2021/9/12/323 https://lkml.org/lkml/2021/9/17/1037 https://lkml.org/lkml/2021/9/17/1037