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    CVE-2026-59677

    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.

    Published:Jul 23, 2026
    Last Modified:Jul 28, 2026
    EPS:Jul 23, 2026
    EPSS Score:0.00107
    CVSS Score:5.5

    Affected Products

    Vendor
    Selinux Project
    Product
    Selinux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-59676 (CVSS 5.8) — A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allo…
    CVE-2021-36084 (CVSS 3.3) — The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_clas…
    CVE-2021-36087 (CVSS 3.3) — The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from…
    CVE-2021-36086 (CVSS 3.3) — The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_class…
    CVE-2021-36085 (CVSS 3.3) — The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm…
    CVE-2018-1063 (CVSS 4.4) — Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malici…
    CVE-2016-7545 (CVSS 8.8) — SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted …
    CVE-2015-3170 (CVSS 5.5) — selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High