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    CVE-2022-38178

    By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

    Published:Sep 21, 2022
    Last Modified:Sep 1, 2026
    EPS:Sep 21, 2022
    EPSS Score:0.02518
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Isc
    Product
    Bind
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.openwall.com/lists/oss-security/2022/09/21/3
    https://kb.isc.org/docs/cve-2022-38178
    https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
    https://security.gentoo.org/glsa/202210-25
    https://security.netapp.com/advisory/ntap-20221228-0009/
    https://www.debian.org/security/2022/dsa-5235
    http://www.openwall.com/lists/oss-security/2022/09/21/3
    https://kb.isc.org/docs/cve-2022-38178
    https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
    https://security.gentoo.org/glsa/202210-25
    https://security.netapp.com/advisory/ntap-20221228-0009/
    https://www.debian.org/security/2022/dsa-5235

    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