Upstream information

CVE-2017-17053 at MITRE

Description

The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.6
Vector AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  SUSE
Base Score 7
Vector AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entries: 1070264 [RESOLVED / FIXED], 1096679 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Live Patching 12 SP3
  • kgraft-patch-4_4_82-6_3-default >= 11-2.1
  • kgraft-patch-4_4_82-6_6-default >= 10-2.1
  • kgraft-patch-4_4_82-6_9-default >= 10-2.1
  • kgraft-patch-SLE12-SP3_Update_1 >= 11-2.1
  • kgraft-patch-SLE12-SP3_Update_2 >= 10-2.1
  • kgraft-patch-SLE12-SP3_Update_3 >= 10-2.1
Patchnames:
SUSE-SLE-Live-Patching-12-SP3-2018-1669
SUSE-SLE-Live-Patching-12-SP3-2018-1670
SUSE-SLE-Live-Patching-12-SP3-2018-1671


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP3 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 kernel-source Analysis
SUSE Linux Enterprise Live Patching12 kgraft-patch-SLE12-SP3_Update_1 Released
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 12 GA LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 GA kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Analysis