Upstream information
Description
A flaw was found in the Linux Kernel before 5.8-rc6 in the ZRAM kernel module, where a user with a local account and the ability to read the /sys/class/zram-control/hot_add file can create ZRAM device nodes in the /dev/ directory. This read allocates kernel memory and is not accounted for a user that triggers the creation of that ZRAM device. With this vulnerability, continually reading the device may consume a large amount of system memory and cause the Out-of-Memory (OOM) killer to activate and terminate random userspace processes, possibly making the system inoperable.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
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 |
National Vulnerability Database | SUSE | |
---|---|---|
Base Score | 5.5 | 5.5 |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Access Vector | Local | Local |
Access Complexity | Low | Low |
Privileges Required | Low | Low |
User Interaction | None | None |
Scope | Unchanged | Unchanged |
Confidentiality Impact | None | None |
Integrity Impact | None | None |
Availability Impact | High | High |
CVSSv3 Version | 3.1 | 3.1 |
- SUSE-SU-2020:2102-1, published Fri Jul 31 13:14:33 MDT 2020
- SUSE-SU-2020:2103-1, published Mon Aug 3 07:13:10 MDT 2020
- SUSE-SU-2020:2105-1, published Mon Aug 3 13:31:18 MDT 2020
- SUSE-SU-2020:2107-1, published Mon Aug 3 13:19:20 MDT 2020
- SUSE-SU-2020:2119-1, published Tue Aug 4 13:12:55 MDT 2020
- SUSE-SU-2020:2122-1, published Tue Aug 4 16:13:18 MDT 2020
- SUSE-SU-2020:2478-1, published Thu Sep 3 07:19:40 MDT 2020
- SUSE-SU-2020:2487-1, published Fri Sep 4 04:13:54 MDT 2020
- openSUSE-SU-2020:1153-1, published Thu, 6 Aug 2020 18:13:16 +0200 (CEST)
- openSUSE-SU-2020:1236-1, published Fri, 21 Aug 2020 06:13:06 +0200 (CEST)
List of released packages
Product(s) | Fixed package version(s) | References |
---|---|---|
Image SLES15-SP1-CHOST-BYOS-Ali Image SLES15-SP1-CHOST-BYOS-Azure Image SLES15-SP1-CHOST-BYOS-EC2 Image SLES15-SP1-CHOST-BYOS-GCE Image SLES15-SP1-CHOST-BYOS-OpenStack |
| |
Image SLES15-SP2-CHOST-BYOS-Ali Image SLES15-SP2-CHOST-BYOS-Azure Image SLES15-SP2-CHOST-BYOS-EC2 Image SLES15-SP2-CHOST-BYOS-GCE Image SLES15-SP2-CHOST-BYOS-OpenStack |
| |
SUSE Linux Enterprise High Availability 12 SP5 |
| Patchnames: SUSE-SLE-HA-12-SP5-2020-2122 |
SUSE Linux Enterprise High Availability 15 SP1 |
| Patchnames: SUSE-SLE-Product-HA-15-SP1-2020-2107 |
SUSE Linux Enterprise High Availability 15 SP2 |
| Patchnames: SUSE-SLE-Product-HA-15-SP2-2020-2105 |
SUSE Linux Enterprise Live Patching 12 SP5 |
| Patchnames: SUSE-SLE-Live-Patching-12-SP5-2020-2122 |
SUSE Linux Enterprise Module for Basesystem 15 SP1 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP1-2020-2107 |
SUSE Linux Enterprise Module for Basesystem 15 SP2 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP2-2020-2105 |
SUSE Linux Enterprise Module for Development Tools 15 SP1 |
| Patchnames: SUSE-SLE-Module-Development-Tools-15-SP1-2020-2107 |
SUSE Linux Enterprise Module for Development Tools 15 SP2 |
| Patchnames: SUSE-SLE-Module-Development-Tools-15-SP2-2020-2105 |
SUSE Linux Enterprise Module for Legacy Software 15 SP1 |
| Patchnames: SUSE-SLE-Module-Legacy-15-SP1-2020-2107 |
SUSE Linux Enterprise Module for Legacy Software 15 SP2 |
| Patchnames: SUSE-SLE-Module-Legacy-15-SP2-2020-2105 |
SUSE Linux Enterprise Module for Live Patching 15 SP1 |
| Patchnames: SUSE-SLE-Module-Live-Patching-15-SP1-2020-2107 |
SUSE Linux Enterprise Module for Live Patching 15 SP2 |
| Patchnames: SUSE-SLE-Module-Live-Patching-15-SP2-2020-2105 |
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1 |
| Patchnames: SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-2107 SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-2487 |
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2 |
| Patchnames: SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-2102 SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-2105 |
SUSE Linux Enterprise Module for Public Cloud 15 SP1 |
| Patchnames: SUSE-SLE-Module-Public-Cloud-15-SP1-2020-2103 |
SUSE Linux Enterprise Module for Public Cloud 15 SP2 |
| Patchnames: SUSE-SLE-Module-Public-Cloud-15-SP2-2020-2102 |
SUSE Linux Enterprise Module for Realtime packages 15 SP1 |
| Patchnames: SUSE-SLE-Module-RT-15-SP1-2020-2487 |
SUSE Linux Enterprise Real Time Extension 12 SP5 |
| Patchnames: SUSE-SLE-RT-12-SP5-2020-2478 |
SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 |
| Patchnames: SUSE-SLE-SERVER-12-SP5-2020-2119 SUSE-SLE-SERVER-12-SP5-2020-2122 |
SUSE Linux Enterprise Software Development Kit 12 SP5 |
| Patchnames: SUSE-SLE-SDK-12-SP5-2020-2122 |
SUSE Linux Enterprise Workstation Extension 12 SP5 |
| Patchnames: SUSE-SLE-WE-12-SP5-2020-2122 |
SUSE Linux Enterprise Workstation Extension 15 SP1 |
| Patchnames: SUSE-SLE-Product-WE-15-SP1-2020-2107 |
SUSE Linux Enterprise Workstation Extension 15 SP2 |
| Patchnames: SUSE-SLE-Product-WE-15-SP2-2020-2105 |
openSUSE Leap 15.1 |
| Patchnames: openSUSE-2020-1153 |
openSUSE Leap 15.2 |
| Patchnames: openSUSE-2020-1236 |
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 |
---|---|---|
HPE Helion OpenStack 8 | kernel-default | Analysis |
HPE Helion OpenStack 8 | kernel-source | Analysis |
SUSE Enterprise Storage 5 | kernel-default | Analysis |
SUSE Enterprise Storage 5 | kernel-source | Analysis |
SUSE Linux Enterprise 15-SP1 Module for Basesystem | kernel-default | Released |
SUSE Linux Enterprise 15-SP1 Module for Basesystem | kernel-source | Released |
SUSE Linux Enterprise 15-SP1 Module for Development Tools | kernel-default | Released |
SUSE Linux Enterprise 15-SP1 Module for Development Tools | kernel-source | Released |
SUSE Linux Enterprise 15-SP2 Module for Basesystem | kernel-default | Released |
SUSE Linux Enterprise 15-SP2 Module for Basesystem | kernel-source | Released |
SUSE Linux Enterprise 15-SP2 Module for Development Tools | kernel-default | Released |
SUSE Linux Enterprise 15-SP2 Module for Development Tools | kernel-source | Released |
SUSE Linux Enterprise High Availability Extension 12 SP5 | kernel-default | Released |
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 | Released |
SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-source | Released |
SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-syms | Released |
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 Live Patching | kernel-default | Released |
SUSE Linux Enterprise Live Patching | kgraft-patch-SLE12-SP5_Update_7 | Released |
SUSE Linux Enterprise Point of Service 11 SP3 | kernel-default | Analysis |
SUSE Linux Enterprise Point of Service 11 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Point of Service Image Server 12 | kernel-default | Analysis |
SUSE Linux Enterprise Point of Service Image Server 12 | kernel-source | Analysis |
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 SP2 BCL | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP2 BCL | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP2 ESPOS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP2 ESPOS | kernel-source | Analysis |
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 BCL | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP3 BCL | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP3 ESPOS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP3 ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP3 LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP3 LTSS | kernel-source | Not affected |
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 SP4 ESPOS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP4 ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4 LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP4 LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5 | kernel-default | Released |
SUSE Linux Enterprise Server 12 SP5 | kernel-source | Released |
SUSE Linux Enterprise Server 12 SP5 | kernel-syms | Released |
SUSE Linux Enterprise Server 15 LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15 LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server ESPOS 15 | kernel-default | Not affected |
SUSE Linux Enterprise Server ESPOS 15 | 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 | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP3 | kernel-source | Not affected |
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 | Released |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-source | Released |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-syms | Released |
SUSE Linux Enterprise Server for SAP Applications 15 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 | kernel-source | Analysis |
SUSE OpenStack Cloud 7 | kernel-default | Analysis |
SUSE OpenStack Cloud 7 | kernel-source | Analysis |
SUSE OpenStack Cloud 8 | kernel-default | Analysis |
SUSE OpenStack Cloud 8 | kernel-source | Analysis |
SUSE OpenStack Cloud 9 | kernel-default | Analysis |
SUSE OpenStack Cloud 9 | kernel-source | Analysis |
SUSE OpenStack Cloud Crowbar 8 | kernel-default | Analysis |
SUSE OpenStack Cloud Crowbar 8 | kernel-source | Analysis |
SUSE OpenStack Cloud Crowbar 9 | kernel-default | Analysis |
SUSE OpenStack Cloud Crowbar 9 | kernel-source | Analysis |
SUSE Real Time Module | kernel-rt | Released |
SUSE Real Time Module | kernel-rt_debug | Released |
SUSE Real Time Module | kernel-source-rt | Released |
SUSE Real Time Module | kernel-syms-rt | Released |