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Findings

CVE-2022-32250

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an inc…

Published Jun 2, 2022 · updated Oct 14, 2026 · linux linux kernel

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 2, 2022 · NIST NVD

    Detected

    net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

  2. Oct 14, 2026 · NIST NVD

    Updated

    net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

Affected

  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora35
  • cpe linux/linux kernelversion unspecified
  • cpe netapp/h300s firmwareversion unspecified
  • cpe netapp/h500s firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2022-32250

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-32250

    30-day exploitation probability 2.9%

    first.org
  • NIST NVDVulnerability recordCVE-2022-32250

    net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

    nvd.nist.gov

References