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CVE-2026-31472 xfrm: iptfs: validate inner IPv4 header length in IPTFS payload

🗓️ 22 Apr 2026 13:54:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

IPTFS validates inner IPv4 header length in decrypted payloads to prevent infinite loop by rejecting invalid tot_len and ihl values.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
bdu_fstec
BDU FSTEC
The vulnerability of the __input_process_payload() function in the net/xfrm/xfrm_iptfs.c module, which is part of the networking functions in the Linux kernel, allows a hacker to cause a service failure.
25 Aug 202600:00
bdu_fstec
cnnvd
CNNVD
Linux kernel 安全漏洞
22 Apr 202600:00
cnnvd
cve
CVE
CVE-2026-31472
22 Apr 202613:54
cve
debiancve
Debian CVE
CVE-2026-31472
22 Apr 202613:54
debiancve
euvd
EUVD
EUVD-2026-24823
22 Apr 202615:31
euvd
nvd
NVD
CVE-2026-31472
22 Apr 202614:16
nvd
osv
OSV
BELL-CVE-2026-31472
25 Apr 202606:10
osv
osv
OSV
DEBIAN-CVE-2026-31472
22 Apr 202614:16
osv
osv
OSV
UBUNTU-CVE-2026-31472
22 Apr 202614:16
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xfrm/xfrm_iptfs.c"
    ],
    "versions": [
      {
        "version": "6c82d2433671819a550227bf65bfb6043e3d3305",
        "lessThan": "de6d8e8ce5187f7402c9859b443355e7120c5f09",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c82d2433671819a550227bf65bfb6043e3d3305",
        "lessThan": "3db7d4f777a00164582061ccaa99569cd85011a3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c82d2433671819a550227bf65bfb6043e3d3305",
        "lessThan": "0d10393d5eac33cbd92f7a41fddca12c41d3cb7e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xfrm/xfrm_iptfs.c"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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