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    CVE-2020-25704

    A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

    Published:Nov 9, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 2, 2020
    EPSS Score:0.00018
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Extras Rt
    Vendor
    Starwindsoftware
    Product
    Command Center
    Vendor
    Starwindsoftware
    Product
    Starwind Hyperconverged Appliance
    Vendor
    Starwindsoftware
    Product
    Starwind San \& Nas
    Vendor
    Starwindsoftware
    Product
    Starwind Virtual San

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://bugzilla.redhat.com/show_bug.cgi?id=1895961
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
    https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://www.openwall.com/lists/oss-security/2020/11/09/1
    https://www.starwindsoftware.com/security/sw-20220802-0003/
    https://bugzilla.redhat.com/show_bug.cgi?id=1895961
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
    https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://www.openwall.com/lists/oss-security/2020/11/09/1
    https://www.starwindsoftware.com/security/sw-20220802-0003/

    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