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    CVE-2022-36946

    nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

    Published:Jul 26, 2022
    Last Modified:May 5, 2025
    EPS:Jul 27, 2022
    EPSS Score:0.04664
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Solidfire \& Hci Management Node
    Vendor
    Netapp
    Product
    Solidfire \& Hci Storage Node
    Vendor
    Netapp
    Product
    Solidfire Enterprise Sds
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    https://github.com/Pwnzer0tt1/CVE-2022-36946https://github.com/Satheesh575555/linux-4.19.72_CVE-2022-36946

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
    https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
    https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
    https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
    https://security.netapp.com/advisory/ntap-20220901-0007/
    https://www.debian.org/security/2022/dsa-5207
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
    https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html
    https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
    https://marc.info/?l=netfilter-devel&m=165883202007292&w=2
    https://security.netapp.com/advisory/ntap-20220901-0007/
    https://www.debian.org/security/2022/dsa-5207

    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