CVE-2017-18257

2018-04-0400:00:00

ubuntu.com

4.9 Medium

CVSS2

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

The __get_data_block function in fs/f2fs/data.c in the Linux kernel before
4.11 allows local users to cause a denial of service (integer overflow and
loop) via crafted use of the open and fallocate system calls with an
FS_IOC_FIEMAP ioctl.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux< 4.4.0-130.156UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1024.25UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1062.71UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1002.5UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-kvm< 4.4.0-1029.34UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-130.156~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1092.100UNKNOWN
ubuntu17.10noarchlinux-snapdragon< 4.4.0-1095.100UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	linux	< 4.4.0-130.156	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1024.25	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1062.71	UNKNOWN
ubuntu	16.04	noarch	linux-gcp	< 4.13.0-1002.5	UNKNOWN
ubuntu	16.04	noarch	linux-hwe	< 4.13.0-26.29~16.04.2	UNKNOWN
ubuntu	16.04	noarch	linux-hwe-edge	< 4.13.0-26.29~16.04.2	UNKNOWN
ubuntu	16.04	noarch	linux-kvm	< 4.4.0-1029.34	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-130.156~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-raspi2	< 4.4.0-1092.100	UNKNOWN
ubuntu	17.10	noarch	linux-snapdragon	< 4.4.0-1095.100	UNKNOWN