Skip to content
Heist/ feed
Unrated

netfilter: flowtable: generalize pending status bit

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: generalize pending status bit Rename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the flowtable GC worker until pending hw offload work has been completed. Apparently, nf_flow_offload_stats() can schedule work to retrieve stats while the flow is being removed by GC. And this bit can also be used in a follow up patch to disable GC until the flow has been fully added in both directions. Revert the reordering done in commit d644b23afe1e ("netfilter: flowtable: publish HW_DEAD after worker is done") to prevent a race between GC and hw offload handler.

Announced Group revision 1
Original source ↗

CVE-2026-98792

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-98792

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24",
        "lessThan": "f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24",
        "lessThan": "4d52b72f3aa68ad0536444e36530bda75070194c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24",
        "lessThan": "4033e1a9262c57dfbfc594a591a50fcba63c531a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24",
        "lessThan": "a2cac45848d1cf31ed190db30f90ba8211e9a8ca",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2c8897953f3b2ff5498f3f275708a742bfcdbc24",
        "lessThan": "7c549fb7eecd01fdba7c0d12c01da876ef8a3214",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "include/net/netfilter/nf_flow_table.h",
      "net/netfilter/nf_flow_table_core.c",
      "net/netfilter/nf_flow_table_offload.c",
      "net/sched/act_ct.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.7"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.7",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.6.160",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.113",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.56",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.10",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "include/net/netfilter/nf_flow_table.h",
      "net/netfilter/nf_flow_table_core.c",
      "net/netfilter/nf_flow_table_offload.c",
      "net/sched/act_ct.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-98792

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#48981 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement