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ubuntucveUbuntu.comUB:CVE-2018-1095
HistoryApr 01, 2018 - 12:00 a.m.

CVE-2018-1095

2018-04-0100:00:00
ubuntu.com
ubuntu.com
7

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

7.1 High

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

49.3%

JSON

The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux
kernel through 4.15.15 does not properly validate xattr sizes, which causes
misinterpretation of a size as an error code, and consequently allows
attackers to cause a denial of service (get_acl NULL pointer dereference
and system crash) via a crafted ext4 image.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-24.26UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1011.11UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1014.14UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1014.14~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.15.0-1014.14UNKNOWN
ubuntu18.04noarchlinux-gcp< 4.15.0-1010.10UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1014.14~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-24.26~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.15.0-24.26~16.04.1UNKNOWN
ubuntu18.04noarchlinux-kvm< 4.15.0-1012.12UNKNOWN
Rows per page:
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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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.1 High

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

49.3%

JSON
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