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RedhatCVE-2021-4148

HistoryMar 23, 2022 - 8:15 p.m.

CVE-2021-4148

2022-03-2320:15:09

CWE-354

redhat

web.nvd.nist.gov

linux kernel

vulnerability

block_invalidatepage

dos

nvd

cve-2021-4148

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.2

Confidence

High

EPSS

Percentile

5.1%

JSON

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

Nvd

Vulners

Node

linuxlinux_kernelRange<5.14.16

Node

fedoraprojectfedoraMatch35

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "kernel 5.14.16"
      }
    ]
  }
]