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    CVE-2023-7192

    A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

    Published:Feb 10, 2023
    Last Modified:Nov 20, 2025
    EPS:Jan 2, 2024
    EPSS Score:0.0004
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    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…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    https://access.redhat.com/errata/RHSA-2024:0723
    https://access.redhat.com/errata/RHSA-2024:0725
    https://access.redhat.com/errata/RHSA-2024:1188
    https://access.redhat.com/errata/RHSA-2024:1250
    https://access.redhat.com/errata/RHSA-2024:1306
    https://access.redhat.com/errata/RHSA-2024:1367
    https://access.redhat.com/errata/RHSA-2024:1382
    https://access.redhat.com/errata/RHSA-2024:1404
    https://access.redhat.com/errata/RHSA-2024:2006
    https://access.redhat.com/errata/RHSA-2024:2008
    https://access.redhat.com/security/cve/CVE-2023-7192
    https://bugzilla.redhat.com/show_bug.cgi?id=2256279
    https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83
    https://access.redhat.com/errata/RHSA-2024:0723
    https://access.redhat.com/errata/RHSA-2024:0725
    https://access.redhat.com/errata/RHSA-2024:1188
    https://access.redhat.com/errata/RHSA-2024:1250
    https://access.redhat.com/errata/RHSA-2024:1306
    https://access.redhat.com/errata/RHSA-2024:1367
    https://access.redhat.com/errata/RHSA-2024:1382
    https://access.redhat.com/errata/RHSA-2024:1404
    https://access.redhat.com/errata/RHSA-2024:2006
    https://access.redhat.com/errata/RHSA-2024:2008
    https://access.redhat.com/security/cve/CVE-2023-7192
    https://bugzilla.redhat.com/show_bug.cgi?id=2256279
    https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83

    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