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RedhatCVE-2018-1094

HistoryApr 02, 2018 - 3:29 a.m.

CVE-2018-1094

2018-04-0203:29:00

CWE-476

redhat

web.nvd.nist.gov

180

ext4

filesystem

linux

kernel

vulnerability

cve-2018-1094

nvd

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.002

Percentile

58.4%

JSON

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange≤4.15.15

Node

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch18.04lts

redhatenterprise_linux_desktopMatch7.0

redhatenterprise_linux_serverMatch7.0

redhatenterprise_linux_workstationMatch7.0

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
redhatenterprise_linux_desktop7.0cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhatenterprise_linux_server7.0cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhatenterprise_linux_workstation7.0cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
canonical	ubuntu_linux	18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
redhat	enterprise_linux_desktop	7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
redhat	enterprise_linux_server	7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
redhat	enterprise_linux_workstation	7.0	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

CNA Affected

[
  {
    "product": "Linux kernel through version 4.15",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Linux kernel through version 4.15"
      }
    ]
  }
]