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CVE-2026-53240

🗓️ 25 Jun 2026 08:39:35Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

Fix use-after-free in iptfs first_skb during input by using a local ownership flag after unlock.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53240
25 Jun 202608:39
attackerkb
Chainguard
CVE-2026-53240 vulnerabilities
9 Jul 202620:31
cgr
Cvelist
CVE-2026-53240 xfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
25 Jun 202608:39
cvelist
Debian CVE
CVE-2026-53240
25 Jun 202608:39
debiancve
EUVD
EUVD-2026-39191
25 Jun 202608:39
euvd
NVD
CVE-2026-53240
25 Jun 202609:16
nvd
OSV
BELL-CVE-2026-53240
27 Jun 202606:13
osv
OSV
CGA-W6J4-J49W-39FV
9 Jul 202619:08
osv
OSV
CVE-2026-53240 xfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
25 Jun 202608:39
osv
OSV
DEBIAN-CVE-2026-53240
25 Jun 202609:16
osv
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.146.18.36
OR
linuxlinux_kernelRange6.197.0.13
OROROROROROROR
[
  {
    "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": "3f3339885fb343b7b42d7c34717108ce07da24ae",
        "lessThan": "8d9a79fbf5172d9c4c0146057af2360913265a11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f3339885fb343b7b42d7c34717108ce07da24ae",
        "lessThan": "ff2ee35b6ce5fa8a8e24ea50b15733d5c8780198",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f3339885fb343b7b42d7c34717108ce07da24ae",
        "lessThan": "eb48730bb827d1550401a5d391903f9d90b493c8",
        "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": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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08 Jul 2026 13:05Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
EPSS0.00418
11