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    CVE-2006-0555

    The Linux Kernel before 2.6.15.5 allows local users to cause a denial of service (NFS client panic) via unknown attack vectors related to the use of O_DIRECT (direct I/O).

    Published:Feb 27, 2006
    Last Modified:Apr 16, 2026
    EPS:Mar 7, 2006
    EPSS Score:0.00097
    CVSS Score:2.1

    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

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    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…
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    References

    http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.15.5
    http://secunia.com/advisories/19083
    http://secunia.com/advisories/19108
    http://secunia.com/advisories/19220
    http://secunia.com/advisories/20237
    http://secunia.com/advisories/20398
    http://secunia.com/advisories/20914
    http://secunia.com/advisories/21745
    http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
    http://www.debian.org/security/2006/dsa-1103
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
    http://www.novell.com/linux/security/advisories/2006-05-31.html
    http://www.redhat.com/archives/fedora-announce-list/2006-March/msg00003.html
    http://www.redhat.com/support/errata/RHSA-2006-0493.html
    http://www.securityfocus.com/bid/16922
    http://www.vupen.com/english/advisories/2006/0804
    http://www.vupen.com/english/advisories/2006/2554
    https://exchange.xforce.ibmcloud.com/vulnerabilities/25000
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9932
    https://usn.ubuntu.com/263-1/
    http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.15.5
    http://secunia.com/advisories/19083
    http://secunia.com/advisories/19108
    http://secunia.com/advisories/19220
    http://secunia.com/advisories/20237
    http://secunia.com/advisories/20398
    http://secunia.com/advisories/20914
    http://secunia.com/advisories/21745
    http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
    http://www.debian.org/security/2006/dsa-1103
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
    http://www.novell.com/linux/security/advisories/2006-05-31.html
    http://www.redhat.com/archives/fedora-announce-list/2006-March/msg00003.html
    http://www.redhat.com/support/errata/RHSA-2006-0493.html
    http://www.securityfocus.com/bid/16922
    http://www.vupen.com/english/advisories/2006/0804
    http://www.vupen.com/english/advisories/2006/2554
    https://exchange.xforce.ibmcloud.com/vulnerabilities/25000
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9932
    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