CVE-2021-4148

kernel: Improper implementation of block_invalidatepage() allows users to crash the kernel

Published Mar 23, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-34016 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:16 PM
Reserved
Dec 21, 2021, 12:00 AM
Status
Modified
Published
Mar 23, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:19 AM
Severity
Moderate
Public date
Sep 13, 2021, 12:00 AM