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ipvs: ensure inner headers in ICMP errors are in headroom

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipvs: ensure inner headers in ICMP errors are in headroom Sashiko points out that after stripping the outer headers with pskb_pull() we should ensure the inner IP headers in ICMP errors from tunnels are present in the skb headroom for functions like ipv4_update_pmtu(), icmp_send() and IP_VS_DBG(). Also, add more checks for the length of the inner headers.

Announced Source revision 1
Original source ↗

CVE-2026-72319

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-2026-72319

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": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "19657b3a17b774ae4e2f2635b5ae8638c9344a40",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "dac813101914c21219ac221a60a31a11bc90e7ec",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "dd22f74a09e25ca298ced0a3763ef353242cb78d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "9bc9b95aee2b2e3f1301a16a67ee504960402875",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "a735f9964a3d9ed97daf9b08507f8b5bcafe6326",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "8f48cfe657409fb5c7ba0521b14da6d47546d9cf",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "92185d6f7819bc558939ae83de7b1abe90e3b5c2",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e",
        "lessThan": "3f7a535ff0fa627a0132803e4c2f903ceffcbc1c",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/netfilter/ipvs/ip_vs_core.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.7"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.7",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.261",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.212",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.178",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.145",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.97",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.40",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.5",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/netfilter/ipvs/ip_vs_core.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-72319

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#33021 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement