Skip to content
Heist/ feed
Critical

ipvs: do not propagate one-packet flag to synced conns

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ip_vs_bind_dest() copies connection flags from the destination into cp->flags. IP_VS_CONN_F_ONE_PACKET connections are not synced. If a synced connection inherits IP_VS_CONN_F_ONE_PACKET while it is already hashed, expiry can treat it as a one-packet connection and skip unlinking the existing conn_tab node, leaving stale hash nodes pointing at a freed struct ip_vs_conn. Drop IP_VS_CONN_F_ONE_PACKET from destination flags when binding synced connections.

Announced Source revision 1
Original source ↗

CVE-2026-80714

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-2026-80714

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": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "06d1d9b56ef8132fbf85006885eb43d9510b8b02",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "acbdc276091b308ca7794acb86e761f8203e2f59",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "300348e3ba1521b003d59825f97e24f9a6859688",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "44af98cc7d5ef8e730488d5df1eecd5deeaa5947",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "4649e6faeecdc2d44bfa6ccbe405eef27e55d816",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "b5ee5b266f833601ac4817f6df0bc496fc376a28",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "e7acfc990c29890c883d0d0ce3f737d003a43b44",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
        "lessThan": "a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/netfilter/ipvs/ip_vs_conn.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.36"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.36",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.265",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.216",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.183",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.151",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.103",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.44",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.8",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/netfilter/ipvs/ip_vs_conn.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-80714

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#34365 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement