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CVE-2026-53262 l2tp: pppol2tp: hold reference to session in pppol2tp_ioctl()

🗓️ 25 Jun 2026 08:39:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Kernel fix for l2tp pppol2tp_ioctl UAF by using a RCUsafe session reference with validation; unknown ioctls return ENOIOCTLCMD.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53262
25 Jun 202608:39
attackerkb
nessus
Tenable Nessus
Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-126 (ALASKERNEL-5.10-2026-126)
20 Jul 202600:00
nessus
nessus
Tenable Nessus
openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21388-1)
24 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-53262
28 Jun 202600:00
nessus
amazon
Amazon
Important: kernel
20 Jul 202600:00
amazon
cgr
Chainguard
CVE-2026-53262 vulnerabilities
9 Jul 202620:31
cgr
circl
Circl
CVE-2026-53262
25 Jun 202610:00
circl
cve
CVE
CVE-2026-53262
25 Jun 202608:39
cve
debiancve
Debian CVE
CVE-2026-53262
25 Jun 202608:39
debiancve
euvd
EUVD
EUVD-2026-39213
25 Jun 202608:39
euvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/l2tp/l2tp_ppp.c"
    ],
    "versions": [
      {
        "version": "fd558d186df2c13a22455373858bae634a4795af",
        "lessThan": "78cdfdca88cbf731a92f3b9ee5427c633dd94e28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd558d186df2c13a22455373858bae634a4795af",
        "lessThan": "e251d4cdfc725c9e7d686161e3b775a0e7d95053",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd558d186df2c13a22455373858bae634a4795af",
        "lessThan": "62f327e287cf7b595ae3f73ba72f5cd2a9e9f39f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fd558d186df2c13a22455373858bae634a4795af",
        "lessThan": "a213a8950414c684999dcf03edeea6c46ede172e",
        "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/l2tp/l2tp_ppp.c"
    ],
    "versions": [
      {
        "version": "2.6.35",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.35",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "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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