CVE-2026-41054 (GCVE-0-2026-41054)

Vulnerability from cvelistv5 – Published: 2026-05-20 08:56 – Updated: 2026-05-21 03:55
VLAI?
Title
Missing exit out of permission check in haveged could lead to root exploit
Summary
In `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`\0/sys/entropy/haveged`). However, while it detects if the connecting user is not root (`cred.uid != 0`) and prepares a negative acknowledgement (`ASCII_NAK`), it **fails to stop execution**. The code proceeds to the `switch` statement, allowing any local unprivileged user to execute privileged commands such as `MAGIC_CHROOT`.
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
Assigner
Impacted products
Vendor Product Version
SUSE Container suse/sle-micro-rancher/5.3:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Container suse/sle-micro-rancher/5.3:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Container suse/sle-micro-rancher/5.4:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Container suse/sle-micro-rancher/5.4:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Container suse/sle-micro/5.5:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Container suse/sle-micro/5.5:latest Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-Azure Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-Azure Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-EC2 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-EC2 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-BYOS-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-Azure Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-Azure Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-EC2 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-EC2 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-BYOS-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE Image SLES15-SP4-SAP-Hardened-GCE Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Desktop 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Desktop 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Desktop 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Module for Basesystem 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Module for Basesystem 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Module for Basesystem 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP7 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.4 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.4 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.5 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Micro 5.5 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP4-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP5-LTSS Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP6-LTSS Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP6-LTSS Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server 15 SP6-LTSS Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP4 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP4 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP4 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP5 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP5 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP5 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 Affected: ? , < 1.9.14-150600.11.6.1 (custom)
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SUSE SUSE Manager Proxy LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Proxy LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Proxy LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Retail Branch Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Retail Branch Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Retail Branch Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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SUSE SUSE Manager Server LTS 4.3 Affected: ? , < 1.9.14-150400.3.11.1 (custom)
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Credits
Dirk Mueller of SUSE
Show details on NVD website

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        {
          "defaultStatus": "unaffected",
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          "vendor": "SUSE",
          "versions": [
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              "lessThan": "1.9.14-150400.3.11.1",
              "status": "affected",
              "version": "?",
              "versionType": "custom"
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        },
        {
          "defaultStatus": "unaffected",
          "packageName": "haveged",
          "product": "Image SLES15-SP4-SAP-Hardened-BYOS-EC2",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "1.9.14-150400.3.11.1",
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              "version": "?",
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\"packageName\": \"libhavege2\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Proxy LTS 4.3\", \"versions\": [{\"status\": \"affected\", \"version\": \"?\", \"lessThan\": \"1.9.14-150400.3.11.1\", \"versionType\": \"custom\"}], \"packageName\": \"haveged\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Proxy LTS 4.3\", \"versions\": [{\"status\": \"affected\", \"version\": \"?\", \"lessThan\": \"1.9.14-150400.3.11.1\", \"versionType\": \"custom\"}], \"packageName\": \"haveged-devel\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Proxy LTS 4.3\", \"versions\": [{\"status\": \"affected\", \"version\": \"?\", \"lessThan\": \"1.9.14-150400.3.11.1\", \"versionType\": \"custom\"}], \"packageName\": \"libhavege2\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Retail Branch Server LTS 4.3\", \"versions\": [{\"status\": 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\"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Server LTS 4.3\", \"versions\": [{\"status\": \"affected\", \"version\": \"?\", \"lessThan\": \"1.9.14-150400.3.11.1\", \"versionType\": \"custom\"}], \"packageName\": \"haveged-devel\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"SUSE\", \"product\": \"SUSE Manager Server LTS 4.3\", \"versions\": [{\"status\": \"affected\", \"version\": \"?\", \"lessThan\": \"1.9.14-150400.3.11.1\", \"versionType\": \"custom\"}], \"packageName\": \"libhavege2\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-41054\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`\\\\0/sys/entropy/haveged`). However, while it detects if the connecting user is not root (`cred.uid != 0`) and prepares a negative acknowledgement (`ASCII_NAK`), it **fails to stop execution**. The code proceeds to the `switch` statement, allowing any local unprivileged user to execute privileged commands such as `MAGIC_CHROOT`.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cdiv\u003e\u003cpre\u003eIn `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`\\\\0/sys/entropy/haveged`). However, while it detects if the connecting user is not root (`cred.uid != 0`) and prepares a negative acknowledgement (`ASCII_NAK`), it **fails to stop execution**. The code proceeds to the `switch` statement, allowing any local unprivileged user to execute privileged commands such as `MAGIC_CHROOT`.\u003c/pre\u003e\u003c/div\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-305\", \"description\": \"CWE-305: Authentication Bypass by Primary Weakness\"}]}], \"providerMetadata\": {\"orgId\": \"404e59f5-483d-4b8a-8e7a-e67604dd8afb\", \"shortName\": \"suse\", \"dateUpdated\": \"2026-05-20T08:56:14.466Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-41054\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-20T12:18:15.866Z\", \"dateReserved\": \"2026-04-16T13:37:50.680Z\", \"assignerOrgId\": \"404e59f5-483d-4b8a-8e7a-e67604dd8afb\", \"datePublished\": \"2026-05-20T08:56:14.466Z\", \"assignerShortName\": \"suse\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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