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CVE-2026-41054— Missing exit out of permission check in haveged could lead to root exploit

Quick assessment

Affected
SUSE Container suse/sle-micro-rancher/5.3:latest
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

haveged是jirka-h个人开发者的一个随机数生成工具。 haveged存在安全漏洞，该漏洞源于socket_handler函数在检测到连接用户非root时未能停止执行，允许任何本地非特权用户执行特权命令如MAGIC_CHROOT。

CVSS 7.8 · High EPSS 0.18% · P7

Affected Version Matrix 86

VendorProduct Version RangeStatus
SUSE Container suse/sle-micro-rancher/5.3:latest ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Container suse/sle-micro-rancher/5.4:latest ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Container suse/sle-micro/5.5:latest ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-BYOS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-BYOS-Azure ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-BYOS-EC2 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-BYOS-GCE ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened-BYOS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-Azure ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-EC2 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-GCE ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE Image SLES15-SP4-SAP-Hardened-GCE ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Desktop 15 SP7 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise High Performance Computing 15 SP7 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise Micro 5.3 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Micro 5.4 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Micro 5.5 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Module for Basesystem 15 SP7 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise Server 15 SP4-LTSS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Server 15 SP5-LTSS ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Server 15 SP6-LTSS ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise Server 15 SP7 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP4 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP5 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP6 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Linux Enterprise Server for SAP Applications 15 SP7 ?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
?< 1.9.14-150600.11.6.1 affected
SUSE SUSE Manager Proxy LTS 4.3 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Manager Retail Branch Server LTS 4.3 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
SUSE SUSE Manager Server LTS 4.3 ?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
?< 1.9.14-150400.3.11.1 affected
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I. Basic Information for CVE-2026-41054

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
Missing exit out of permission check in haveged could lead to root exploit
Source: CVE Program / CVE List V5
Vulnerability Description
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`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用基本弱点进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
haveged 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
haveged是jirka-h个人开发者的一个随机数生成工具。 haveged存在安全漏洞，该漏洞源于socket_handler函数在检测到连接用户非root时未能停止执行，允许任何本地非特权用户执行特权命令如MAGIC_CHROOT。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SUSE Container suse/sle-micro-rancher/5.3:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Container suse/sle-micro-rancher/5.3:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Container suse/sle-micro-rancher/5.4:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Container suse/sle-micro-rancher/5.4:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Container suse/sle-micro/5.5:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Container suse/sle-micro/5.5:latest ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-Azure ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-Azure ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-EC2 ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-EC2 ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-BYOS-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-Azure ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-Azure ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-EC2 ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-EC2 ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-BYOS-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE Image SLES15-SP4-SAP-Hardened-GCE ? ~ 1.9.14-150400.3.11.1 -
SUSE SUSE Linux Enterprise Desktop 15 SP7 ? ~ 1.9.14-150600.11.6.1 -
SUSE SUSE Linux Enterprise Desktop 15 SP7 ? ~ 1.9.14-150600.11.6.1 -
SUSE SUSE Linux Enterprise Desktop 15 SP7 ? ~ 1.9.14-150600.11.6.1 -
SUSE SUSE Linux Enterprise High Performance Computing 15 SP7 ? ~ 1.9.14-150600.11.6.1 -

II. Public POCs for CVE-2026-41054

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-41054

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Vendor Advisories for CVE-2026-41054 (1)

IV. Related Vulnerabilities

Same vendor: SUSE
Same weakness: CWE-305

V. Comments for CVE-2026-41054

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