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    CVE-2006-0457

    Race condition in the (1) add_key, (2) request_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of service (crash) or read sensitive kernel memory by modifying the length of a string argument between the time that the kernel calculates the length and when it copies the data into kernel memory.

    Published:Feb 3, 2006
    Last Modified:Apr 16, 2026
    EPS:Mar 14, 2006
    EPSS Score:0.015
    CVSS Score:7.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
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    References

    http://secunia.com/advisories/19220
    http://secunia.com/advisories/20398
    http://secunia.com/advisories/21465
    http://secunia.com/advisories/22417
    http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
    http://www.novell.com/linux/security/advisories/2006-05-31.html
    http://www.osvdb.org/23894
    http://www.redhat.com/support/errata/RHSA-2006-0575.html
    http://www.securityfocus.com/bid/17084
    https://exchange.xforce.ibmcloud.com/vulnerabilities/25354
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9566
    https://usn.ubuntu.com/263-1/
    http://secunia.com/advisories/19220
    http://secunia.com/advisories/20398
    http://secunia.com/advisories/21465
    http://secunia.com/advisories/22417
    http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
    http://www.novell.com/linux/security/advisories/2006-05-31.html
    http://www.osvdb.org/23894
    http://www.redhat.com/support/errata/RHSA-2006-0575.html
    http://www.securityfocus.com/bid/17084
    https://exchange.xforce.ibmcloud.com/vulnerabilities/25354
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9566
    https://usn.ubuntu.com/263-1/

    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