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CVE-2026-73585— Sblim-cmpi-base: insecure temporary file creation in sblim-cmpi-base provider registration scripts allows local symlink attack

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
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.

Red Hat sblim-cmpi-base是美国Red Hat公司的一个提供通用基础组件的软件工具。 Red Hat sblim-cmpi-base存在资源管理错误漏洞，该漏洞源于提供程序注册脚本中不安全的临时文件创建，可能导致本地非特权用户通过符号链接攻击重定向特权写入到任意文件，覆盖root拥有的文件，从而破坏系统服务或操作。

CVSS 6.3 · Medium EPSS 0.14% · P3

Affected Version Matrix 5

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2026-73585

Vulnerability Information
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Vulnerability Title
Sblim-cmpi-base: insecure temporary file creation in sblim-cmpi-base provider registration scripts allows local symlink attack
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in sblim-cmpi-base. Insecure temporary file creation in the provider registration scripts allows a local unprivileged user to perform a symlink attack. By creating a symlink in a world-writable directory, an attacker can redirect privileged writes to an arbitrary file during script execution in a privileged context. This can lead to the overwrite of root-owned files, potentially disrupting system services or operation. Exploitation is conditional on the script running with elevated privileges and may be mitigated by sticky-directory symlink protections.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat sblim-cmpi-base 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat sblim-cmpi-base是美国Red Hat公司的一个提供通用基础组件的软件工具。 Red Hat sblim-cmpi-base存在资源管理错误漏洞，该漏洞源于提供程序注册脚本中不安全的临时文件创建，可能导致本地非特权用户通过符号链接攻击重定向特权写入到任意文件，覆盖root拥有的文件，从而破坏系统服务或操作。
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
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-73585

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III. Intelligence Information for CVE-2026-73585

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Vendor Advisories for CVE-2026-73585 (2)

Same Patch Batch · Red Hat · 2026-08-13 · 6 CVEs total

CVE-2026-73266 7.1 HIGH Clusterclaims-controller: confused deputy: tenant-controlled clusterclaim labels propagate
CVE-2026-73583 6.6 MEDIUM Sblim-sfcb: unsafe deserialization in sblim-sfcb provider-manager ipc allows out-of-bounds
CVE-2026-18728 6.5 MEDIUM Open-iscsi: open-iscsi: integer underflow in iscsiuio ipv4 dhcp parsing
CVE-2026-73584 6.3 MEDIUM Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temp
CVE-2026-19730 4.2 MEDIUM Podman: podman: quadlet install --replace non-truncating write retains removed host-access

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-377

V. Comments for CVE-2026-73585

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