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CVE-2026-59677— Process Kill Attack Vector in killall() in seunshare

Quick assessment

Affected
SELinuxProject selinux
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.

openSUSE tumbleweed是openSUSE社区开源的一个滚动更新的Linux发行版。 openSUSE Tumbleweed 3.10及之前版本存在授权问题漏洞，该漏洞源于缺少授权检查，可能导致在无限制环境中运行的用户杀死同样在无限制环境中运行的root拥有的进程。

CVSS 6.8 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1055.004 · Asynchronous Procedure Call

Affected Version Matrix 1

VendorProduct Version RangeStatus
SELinuxProject selinux ≤ 3.10 affected
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I. Basic Information for CVE-2026-59677

Vulnerability Information
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Vulnerability Title
Process Kill Attack Vector in killall() in seunshare
Source: CVE Program / CVE List V5
Vulnerability Description
A Missing Authorization vulnerability in selinux policycoreutils seunshares allows a user that is running in unconfined context to kill e.g. root-owned processes running also in unconfined context This issue affects policycoreutils through 3.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
openSUSE Tumbleweed 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE tumbleweed是openSUSE社区开源的一个滚动更新的Linux发行版。 openSUSE Tumbleweed 3.10及之前版本存在授权问题漏洞，该漏洞源于缺少授权检查，可能导致在无限制环境中运行的用户杀死同样在无限制环境中运行的root拥有的进程。
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
SELinuxProject selinux 0 ~ 3.10 -

II. Public POCs for CVE-2026-59677

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III. Intelligence Information for CVE-2026-59677

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Vendor Advisories for CVE-2026-59677 (2)

IV. Related Vulnerabilities

Same product: selinux
Same vendor: SELinuxProject
Same weakness: CWE-862