CVE-2017-18193 Information

Description

fs/f2fs/extent_cache.c in the Linux kernel before 4.13 mishandles extent trees which allows local users to cause a denial of service (BUG) via an application with multiple threads.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0 http://www.securityfocus.com/bid/103147 https://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0 https://usn.ubuntu.com/3654-1/ https://usn.ubuntu.com/3654-2/ https://usn.ubuntu.com/3656-1/ https://www.debian.org/security/2018/dsa-4188

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5