Upstream information
Description
An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tss_invalidate_io_bitmap mishandling causes a loss of synchronization between the I/O bitmaps of TSS and Xen, aka CID-cadfad870154.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 4.6 |
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 7.8 | 7 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Access Vector | Local | Local |
| Access Complexity | Low | 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 | 3.1 | 3.1 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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 | Not affected |
| HPE Helion OpenStack 8 | kernel-source | Not affected |
| SUSE CaaS Platform 3.0 | xen | Not affected |
| SUSE Container as a Service Platform 1.0 | xen | Not affected |
| SUSE Container as a Service Platform 2.0 | xen | Not affected |
| SUSE Enterprise Storage 5 | kernel-default | Not affected |
| SUSE Enterprise Storage 5 | 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 SP4 | xen | 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 12 SP5 | xen | 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 LTSS | xen | 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 Basesystem 15 SP1 | xen | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-source | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | xen | 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 Module for Development Tools 15 SP2 | kernel-default | Not affected |
| SUSE Linux Enterprise Module for Development Tools 15 SP2 | kernel-source | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP1 | xen | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | xen | Not affected |
| SUSE Linux Enterprise Point of Service 11 SP3 | kernel-default | Not affected |
| SUSE Linux Enterprise Point of Service 11 SP3 | kernel-source | Not affected |
| SUSE Linux Enterprise Point of Service Image Server 12 | kernel-default | Not affected |
| SUSE Linux Enterprise Point of Service Image Server 12 | 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 11 SP4 LTSS | xen | 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 | Not affected |
| SUSE Linux Enterprise Server 12 SP2 BCL | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP2 BCL | xen | Not affected |
| SUSE Linux Enterprise Server 12 SP2 ESPOS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP2 ESPOS | kernel-source | Not affected |
| 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 SP2 LTSS | xen | 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 BCL | xen | Not affected |
| SUSE Linux Enterprise Server 12 SP3 ESPOS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP3 ESPOS | kernel-source | Not affected |
| 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 SP3 LTSS | xen | 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 | xen | Not affected |
| SUSE Linux Enterprise Server 12 SP4 ESPOS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP4 ESPOS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP4 LTSS | kernel-default | Not affected |
| SUSE Linux Enterprise Server 12 SP4 LTSS | kernel-source | Not affected |
| SUSE Linux Enterprise Server 12 SP4 LTSS | xen | 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 12 SP5 | xen | 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 ESPOS 15 | kernel-default | Not affected |
| SUSE Linux Enterprise Server ESPOS 15 | kernel-source | Not affected |
| SUSE Linux Enterprise Server ESPOS 15 | xen | 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 SP2 | xen | 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 SP3 | xen | 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 SP4 | xen | 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 12 SP5 | xen | 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 Software Development Kit 12 SP5 | xen | Not affected |
| SUSE OpenStack Cloud 7 | kernel-default | Not affected |
| SUSE OpenStack Cloud 7 | kernel-source | Not affected |
| SUSE OpenStack Cloud 8 | kernel-default | Not affected |
| SUSE OpenStack Cloud 8 | kernel-source | Not affected |
| SUSE OpenStack Cloud 9 | kernel-default | Not affected |
| SUSE OpenStack Cloud 9 | kernel-source | Not affected |
| SUSE OpenStack Cloud Crowbar 8 | kernel-default | Not affected |
| SUSE OpenStack Cloud Crowbar 8 | kernel-source | Not affected |
| SUSE OpenStack Cloud Crowbar 9 | kernel-default | Not affected |
| SUSE OpenStack Cloud Crowbar 9 | kernel-source | Not affected |
