CVE-2017-15115 Information

Description

The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action which allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df80cd9b28b9ebaa284a41df611dbf3a2d05ca74 http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html http://seclists.org/oss-sec/2017/q4/282 http://www.securityfocus.com/bid/101877 https://bugzilla.redhat.com/show_bug.cgi?id=1513345 https://github.com/torvalds/linux/commit/df80cd9b28b9ebaa284a41df611dbf3a2d05ca74 https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html https://patchwork.ozlabs.org/patch/827077/ https://source.android.com/security/bulletin/pixel/2018-04-01 https://usn.ubuntu.com/3581-1/ https://usn.ubuntu.com/3581-2/ https://usn.ubuntu.com/3581-3/ https://usn.ubuntu.com/3582-1/ https://usn.ubuntu.com/3582-2/ https://usn.ubuntu.com/3583-1/ https://usn.ubuntu.com/3583-2/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8