Upstream information

CVE-2018-17977 at MITRE

Description

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.9
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 4.4 4.9
Vector CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Access Vector Local Network
Access Complexity Low Low
Privileges Required High High
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3 3.1
SUSE Bugzilla entry: 1111609 [NEW]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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
SLES for SAP Applications kernel-default Affected
SLES for SAP Applications kernel-source Affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-default Affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Affected
SUSE Linux Enterprise Module for Basesystem 15 kernel-default Affected
SUSE Linux Enterprise Module for Basesystem 15 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 kernel-default Affected
SUSE Linux Enterprise Module for Development Tools 15 kernel-source Affected
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-default Affected
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 kernel-default Affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 12 LTSS kernel-default Affected
SUSE Linux Enterprise Server 12 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-default Affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 kernel-default Affected
SUSE Linux Enterprise Server 12 SP3 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 12 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Affected