CVE-2017-15115

HIGH

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.

References

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/

Details

Source: MITRE

Published: 2017-11-15

Updated: 2019-05-08

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH