Upstream information
Description
A race condition vulnerability was discovered in how signals are handled by OpenSSH's server (sshd). If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are not async-signal-safe, for example, syslog(). As a consequence of a successful attack, in the worst case scenario, an attacker may be able to perform a remote code execution (RCE) as an unprivileged user running the sshd server.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having critical severity.
| CNA (Red Hat) | SUSE | |
|---|---|---|
| Base Score | 7 | 8.1 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network | Network |
| Attack Complexity | High | High |
| Privileges Required | None | None |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | Low | High |
| Integrity Impact | Low | High |
| Availability Impact | High | High |
| CVSSv3 Version | 3.1 | 3.1 |
| SUSE | |
|---|---|
| Base Score | 9.5 |
| Vector | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| Attack Vector | Network |
| Attack Complexity | High |
| Attack Requirements | None |
| Privileges Required | None |
| User Interaction | None |
| Vulnerable System Confidentiality Impact | High |
| Vulnerable System Integrity Impact | High |
| Vulnerable System Availability Impact | High |
| Subsequent System Confidentiality Impact | High |
| Subsequent System Integrity Impact | High |
| Subsequent System Availability Impact | High |
| CVSSv4 Version | 4.0 |
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Liberty Linux 9 |
| Patchnames: RHSA-2024:4457 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SLES15-SP5-CHOST-BYOS-Aliyun | openssh | Not affected |
| SLES15-SP5-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP5-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP5-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP5-CHOST-BYOS-SAP-CCloud | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-Aliyun | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-GDC | openssh | Not affected |
| SLES15-SP6-CHOST-BYOS-SAP-CCloud | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP6 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.1 | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.2 | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.3 | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.4 | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.5 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP5-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP6 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | openssh | Not affected |
| SUSE Linux Micro 6.0 | openssh | Not affected |
| SUSE Manager Proxy 4.3 | openssh | Not affected |
| SUSE Manager Retail Branch Server 4.3 | openssh | Not affected |
| SUSE Manager Server 4.3 | openssh | Not affected |
| openSUSE Leap 15.5 | openssh | Not affected |
| openSUSE Leap 15.6 | openssh | Not affected |
| openSUSE Leap Micro 5.5 | openssh | Not affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SLES15-EC2-CHOST-HVM-BYOS | openssh | Not affected |
| SLES15-SP1-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP1-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP1-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP2-CHOST-BYOS-Aliyun | openssh | Not affected |
| SLES15-SP2-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP2-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP2-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP3-CHOST-BYOS-Aliyun | openssh | Not affected |
| SLES15-SP3-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP3-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP3-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP3-CHOST-BYOS-SAP-CCloud | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS-Aliyun | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS-Azure | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS-EC2 | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS-GCE | openssh | Not affected |
| SLES15-SP4-CHOST-BYOS-SAP-CCloud | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP4 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP5 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP2-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP3-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP4-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | openssh | Not affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| HPE Helion OpenStack 8 | openssh | Not affected |
| SUSE CaaS Platform 3.0 | openssh | Not affected |
| SUSE CaaS Platform 4.0 | openssh | Not affected |
| SUSE Enterprise Storage 6 | openssh | Not affected |
| SUSE Enterprise Storage 7 | openssh | Not affected |
| SUSE Enterprise Storage 7.1 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 11 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 12 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 12 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP1 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Desktop 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Micro 5.0 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 | openssh | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | openssh | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 | openssh | Not affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP1 | openssh | Not affected |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | openssh | Not affected |
| SUSE Linux Enterprise Real Time 15 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Real Time 15 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Real Time 15 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Server 11 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 11 SP4-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP2-BCL | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP2-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP3-BCL | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP3-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP3-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | openssh | Not affected |
| SUSE Linux Enterprise Server 12 SP4-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP1 | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP1-BCL | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP1-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP2-BCL | openssh | Not affected |
| SUSE Linux Enterprise Server 15 SP3-BCL | openssh | Not affected |
| SUSE Linux Enterprise Server 15-LTSS | openssh | Not affected |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | openssh | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | openssh | Not affected |
| SUSE Manager Proxy 4.0 | openssh | Not affected |
| SUSE Manager Proxy 4.1 | openssh | Not affected |
| SUSE Manager Proxy 4.2 | openssh | Not affected |
| SUSE Manager Retail Branch Server 4.0 | openssh | Not affected |
| SUSE Manager Retail Branch Server 4.1 | openssh | Not affected |
| SUSE Manager Retail Branch Server 4.2 | openssh | Not affected |
| SUSE Manager Server 4.0 | openssh | Not affected |
| SUSE Manager Server 4.1 | openssh | Not affected |
| SUSE Manager Server 4.2 | openssh | Not affected |
| SUSE OpenStack Cloud 7 | openssh | Not affected |
| SUSE OpenStack Cloud 8 | openssh | Not affected |
| SUSE OpenStack Cloud 9 | openssh | Not affected |
| SUSE OpenStack Cloud Crowbar 8 | openssh | Not affected |
| SUSE OpenStack Cloud Crowbar 9 | openssh | Not affected |
| openSUSE Leap 15.3 | openssh | Not affected |
| openSUSE Leap 15.4 | openssh | Not affected |
| openSUSE Leap Micro 5.2 | openssh | Not affected |
| openSUSE Leap Micro 5.3 | openssh | Not affected |
| openSUSE Leap Micro 5.4 | openssh | Not affected |
| Products at an unknown state of their lifecycle. | ||
| SLES15-SP5-CHOST-BYOS-GDC | openssh | Not affected |
| Container Status | ||
| ses/7.1/cephcsi/cephcsi ses/7.1/rook/ceph ses/7/ceph/ceph ses/7/cephcsi/cephcsi ses/7/rook/ceph suse/hpc/warewulf4-x86_64/sle-hpc-node suse/manager/4.3/proxy-ssh suse/manager/5.0/x86_64/proxy-ssh suse/manager/5.0/x86_64/server suse/sle-micro-rancher/5.2 suse/sle-micro-rancher/5.3 suse/sle-micro-rancher/5.4 suse/sle-micro/5.5 trento/trento-runner | openssh | Not affected |
SUSE Timeline for this CVE
CVE page created: Mon Jul 1 09:30:06 2024CVE page last modified: Sat Dec 21 00:19:24 2024