CVE-2017-18249

2018-03-2600:00:00

ubuntu.com

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12
does not properly track an allocated nid, which allows local users to cause
a denial of service (race condition) or possibly have unspecified other
impact via concurrent threads.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux< 4.4.0-145.171UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1040.43UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1079.89UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1005.7UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.13.0-1005.7UNKNOWN
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< 4.4.0-1043.49UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-144.170~14.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	linux	< 4.4.0-145.171	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1040.43	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1079.89	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.13.0-1005.7	UNKNOWN
ubuntu	16.04	noarch	linux-azure-edge	< 4.13.0-1005.7	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	< 4.4.0-1043.49	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-144.170~14.04.1	UNKNOWN