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    CVE-2011-1083

    The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.

    Published:Feb 25, 2011
    Last Modified:Apr 11, 2025
    EPS:Apr 3, 2011
    EPSS Score:0.00182
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    https://www.exploit-db.com/exploits/35403

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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…
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    References

    http://article.gmane.org/gmane.linux.kernel/1105744
    http://article.gmane.org/gmane.linux.kernel/1105888
    http://article.gmane.org/gmane.linux.kernel/1106686
    http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
    http://openwall.com/lists/oss-security/2011/03/02/1
    http://openwall.com/lists/oss-security/2011/03/02/2
    http://rhn.redhat.com/errata/RHSA-2012-0862.html
    http://secunia.com/advisories/43522
    http://secunia.com/advisories/48115
    http://secunia.com/advisories/48410
    http://secunia.com/advisories/48898
    http://secunia.com/advisories/48964
    http://www.osvdb.org/71265
    https://bugzilla.redhat.com/show_bug.cgi?id=681578
    http://article.gmane.org/gmane.linux.kernel/1105744
    http://article.gmane.org/gmane.linux.kernel/1105888
    http://article.gmane.org/gmane.linux.kernel/1106686
    http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
    http://openwall.com/lists/oss-security/2011/03/02/1
    http://openwall.com/lists/oss-security/2011/03/02/2
    http://rhn.redhat.com/errata/RHSA-2012-0862.html
    http://secunia.com/advisories/43522
    http://secunia.com/advisories/48115
    http://secunia.com/advisories/48410
    http://secunia.com/advisories/48898
    http://secunia.com/advisories/48964
    http://www.osvdb.org/71265
    https://bugzilla.redhat.com/show_bug.cgi?id=681578

    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