CVEvulnerability
CVE-2021-4148
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-354
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.
Affected configurations
• linux linux kernel (< 5.14.16)
• fedoraproject fedora 35
Related
Weakness · CWE (1)
- CWE-354 Improper Validation of Integrity Check Value weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2026487 Issue Tracking, Third Party Advisory
- https://lkml.org/lkml/2021/9/12/323 Exploit, Mailing List, Patch, Third Party Advisory
- https://lkml.org/lkml/2021/9/17/1037 Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2026487 Issue Tracking, Third Party Advisory
- https://lkml.org/lkml/2021/9/12/323 Exploit, Mailing List, Patch, Third Party Advisory
- https://lkml.org/lkml/2021/9/17/1037 Exploit, Mailing List, Patch, Third Party Advisory