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[email protected]CVE-2018-1094

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

CVE-2018-1094

2018-04-0203:29:00

CWE-476

[email protected]

web.nvd.nist.gov

167

ext4

filesystem

linux

kernel

vulnerability

cve-2018-1094

nvd

7.1 High

CVSS2

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

5.5 Medium

CVSS3

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

5 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

58.5%

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

Vulners

NVD

Node

linuxlinux_kernelRange≤4.15

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

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