Vulnerability CVE-2017-15115
Published: 2017-11-15   Modified: 2017-11-16

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.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
SUSE -> Linux enterprise server 
Redhat -> Enterprise mrg 
Redhat -> Enterprise linux 
Linux -> Linux kernel 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 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/
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