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    CVE-2023-42465

    Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because application logic sometimes is based on not equaling an error value (instead of equaling a success value), and because the values do not resist flips of a single bit.

    Published:Sep 5, 2023
    Last Modified:Nov 4, 2025
    EPS:Dec 22, 2023
    EPSS Score:0.00005
    CVSS Score:7

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift Data Foundation
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Sudo Project
    Product
    Sudo

    Exploits

    https://www.openwall.com/lists/oss-security/2023/12/21/9https://www.openwall.com/lists/oss-security/2023/12/21/9

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-624 Hardware Fault Injection
    CAPEC-625 Mobile Device Fault Injection

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    References

    https://arxiv.org/abs/2309.02545
    https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f
    https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/
    https://security.gentoo.org/glsa/202401-29
    https://security.netapp.com/advisory/ntap-20240208-0002/
    https://www.openwall.com/lists/oss-security/2023/12/21/9
    https://www.sudo.ws/releases/changelog/
    http://www.openwall.com/lists/oss-security/2025/09/23/2
    http://www.openwall.com/lists/oss-security/2025/09/24/6
    https://arxiv.org/abs/2309.02545
    https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f
    https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/R4Q23NHCKCLFIHSNY6KJ27GM7FSCEVXM/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/U6XMRUJCPII4MPWG43HTYR76DGLEYEFZ/
    https://security.gentoo.org/glsa/202401-29
    https://security.netapp.com/advisory/ntap-20240208-0002/
    https://www.openwall.com/lists/oss-security/2023/12/21/9
    https://www.sudo.ws/releases/changelog/

    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