Upstream information

CVE-2016-9755 at MITRE

Description

The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly have unspecified other impact via a crafted application that makes socket, connect, and writev system calls, related to net/ipv6/netfilter/nf_conntrack_reasm.c and net/ipv6/netfilter/nf_defrag_ipv6_hooks.c.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.6 7.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local Network
Access Complexity Low High
Authentication None None
Confidentiality Impact Partial Complete
Integrity Impact Partial Complete
Availability Impact Partial Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.8
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High

Note from the SUSE Security Team

This issue only affects Linux Kernel 4.5 and newer. No SUSE Linux Enterprise or openSUSE Version is affected.

SUSE Bugzilla entry: 1013060 [RESOLVED / UPSTREAM]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP1 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2 kernel-source Not affected