Upstream information
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.
| National Vulnerability Database | |
|---|---|
| Base Score | 6.9 |
| Vector | AV:L/AC:M/Au:N/C:C/I:C/A:C |
| Access Vector | Local |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 7 | 7 |
| Vector | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Access Vector | Local | Local |
| Access Complexity | High | High |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | High |
| Integrity Impact | High | High |
| Availability Impact | High | High |
| CVSSv3 Version | 3 | 3 |
- SUSE-SU-2018:2413-1, published Fri Aug 17 13:09:35 MDT 2018
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Linux Enterprise Live Patching 12 SP3 |
| 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Please note that this evaluation state might be work in progress, incomplete or outdated.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 |
|---|---|---|
| SLES for SAP Applications | kernel-default | Not affected |
| SLES for SAP Applications | kernel-source | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | kernel-default | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | kernel-source | Not affected |
| SUSE Linux Enterprise Desktop 12 SP4 | kernel-default | Not affected |
| SUSE Linux Enterprise Desktop 12 SP4 | kernel-source | Not affected |
| SUSE Linux Enterprise Desktop 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Desktop 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Desktop 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise Desktop 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | kernel-default | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | kernel-source | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-default | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-source | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 | kernel-default | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 | kernel-source | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_1 | Released |
| SUSE Linux Enterprise Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_2 | In progress |
| SUSE Linux Enterprise Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_3 | In progress |
| SUSE Linux Enterprise Micro 5.0 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP1 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP1 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP2 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP2 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP2 BCL | kernel-default | Unsupported |
| SUSE Linux Enterprise Server 12 SP2 BCL | kernel-source | Unsupported |
| SUSE Linux Enterprise Server 12 SP2 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP2 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP3 BCL | kernel-default | Already fixed |
| SUSE Linux Enterprise Server 12 SP3 BCL | kernel-source | Already fixed |
| SUSE Linux Enterprise Server 12 SP3 LTSS | kernel-default | Already fixed |
| SUSE Linux Enterprise Server 12 SP3 LTSS | kernel-source | Already fixed |
| SUSE Linux Enterprise Server 12 SP4 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP4 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP5 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP5 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Server 15 ESPOS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 15 ESPOS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 15 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 15 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise Server 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | kernel-default | Already fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | kernel-source | Already fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kernel-default | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kernel-source | Not affected |
| SUSE Linux Enterprise Storage 6 | kernel-default | Not affected |
| SUSE Linux Enterprise Storage 6 | kernel-source | Not affected |
| SUSE Manager Proxy 4.0 | kernel-default | Not affected |
| SUSE Manager Proxy 4.0 | kernel-source | Not affected |
| SUSE Manager Retail Branch Server 4.0 | kernel-default | Not affected |
| SUSE Manager Retail Branch Server 4.0 | kernel-source | Not affected |
| SUSE Manager Server 4.0 | kernel-default | Not affected |
| SUSE Manager Server 4.0 | kernel-source | Not affected |
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