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    CVE-2006-4342

    The kernel in Red Hat Enterprise Linux 3, when running on SMP systems, allows local users to cause a denial of service (deadlock) by running the shmat function on an shm at the same time that shmctl is removing that shm (IPC_RMID), which prevents a spinlock from being unlocked.

    Published:Oct 13, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 17, 2006
    EPSS Score:0.00162
    CVSS Score:5.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205618

    Common Weakness Enumeration

    CWE-667 Improper Locking

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    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