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    CVE-2006-4172

    Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178.

    Published:Sep 26, 2006
    Last Modified:Apr 16, 2026
    EPS:Sep 26, 2006
    EPSS Score:0.0006
    CVSS Score:7.2

    Affected Products

    Vendor
    Freebsd
    Product
    Freebsd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-58097 (CVSS 7.8) — mp_SetEnddisc() copied a user-supplied PSN endpoint value without length validation, allowing a buffer overflo…
    CVE-2026-58096 (CVSS 8.8) — LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum r…
    CVE-2026-58095 (CVSS 8.8) — mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, …
    CVE-2026-58092 (CVSS 8.1) — In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group…
    CVE-2026-58091 (CVSS 7.8) — The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a chan…
    CVE-2026-58090 (CVSS 7.8) — The SOCK_STREAM receive path in the unix socket implementation failed to fully detach control messages from th…
    CVE-2026-58089 (CVSS 7.8) — When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned …
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    References

    http://archives.neohapsis.com/archives/bugtraq/2006-09/0376.html
    http://secunia.com/advisories/22064
    http://securitytracker.com/id?1016926
    http://securitytracker.com/id?1016928
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=414
    http://www.securityfocus.com/archive/1/446945/100/0/threaded
    http://www.securityfocus.com/bid/20158
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29132
    http://archives.neohapsis.com/archives/bugtraq/2006-09/0376.html
    http://secunia.com/advisories/22064
    http://securitytracker.com/id?1016926
    http://securitytracker.com/id?1016928
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=414
    http://www.securityfocus.com/archive/1/446945/100/0/threaded
    http://www.securityfocus.com/bid/20158
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29132

    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