CVE-2021-4148

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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-03-23 20:15

Updated : 2022-03-30 13:59

NVD link : CVE-2021-4148

Mitre link : CVE-2021-4148

CVE.ORG link : CVE-2021-4148

JSON object : View

Products Affected

fedoraproject

fedora

linux

linux_kernel

CWE

CWE-354

Improper Validation of Integrity Check Value

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