CVE-2026-31596

🗓️ 24 Apr 2026 14:42:22Reported by LinuxType

OCFS2 validates dinode in group_extend to prevent kernel crash from invalid dinode

Reporter	Title	Published	Views	Family All 119
attackerkb	CVE-2026-31596	24 Apr 202614:42	–	attackerkb
cbl_mariner	CVE-2026-31596 affecting package kernel for versions less than 6.6.137.1-1	3 May 202620:52	–	cbl_mariner
cgr	CVE-2026-31596 vulnerabilities	1 May 202619:17	–	cgr
circl	CVE-2026-31596	2 Jul 202605:49	–	circl
cnnvd	Linux kernel 安全漏洞	24 Apr 202600:00	–	cnnvd
cvelist	CVE-2026-31596 ocfs2: handle invalid dinode in ocfs2_group_extend	24 Apr 202614:42	–	cvelist
debian	[SECURITY] [DLA 4664-1] linux security update	3 Jul 202615:51	–	debian
debian	[SECURITY] [DLA 4665-1] linux security update	3 Jul 202618:38	–	debian
debian	[SECURITY] [DLA 4671-1] linux-6.1 security update	5 Jul 202618:24	–	debian
debian	[SECURITY] [DSA 6238-1] linux security update	30 Apr 202620:05	–	debian

NVD

Vulners

CNA

Node

linux linux_kernelRange2.6.29–6.6.136

linux linux_kernelRange6.7–6.12.83

linux linux_kernelRange6.13–6.18.24

linux linux_kernelRange6.19–6.19.14

linux linux_kernelRange7.0–7.0.1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/resize.c"
    ],
    "versions": [
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "7eafcf507fbd68f3276c00f6c02ef155ad69f79b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "fabfa6b81bd386154d7e59f8cd8f760f9e68b48c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "b328d8e7c437d0f026ba2c13788af6eae77700f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "6575f9fbf084502b7118a628425bf7866666498d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "911b557dd7817460881fd51a03069b539c674d0e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "e384a850a3370d89a7a446cdeccd964bfba2a302",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "10fb72c47aac446f12a4ccd962c7daa60cc890a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "41c6e9bc3a09539deab43957a3211d902a4818f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "10995aa2451afa20b721cc7de856cae1a13dba57",
        "lessThan": "4a1c0ddc6e7bcf2e9db0eeaab9340dcfe97f448f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/resize.c"
    ],
    "versions": [
      {
        "version": "2.6.29",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.29",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/7eafcf507fbd68f3276c00f6c02ef155ad69f79b
git	www.git.kernel.org/stable/c/e384a850a3370d89a7a446cdeccd964bfba2a302
git	www.git.kernel.org/stable/c/10fb72c47aac446f12a4ccd962c7daa60cc890a1
git	www.git.kernel.org/stable/c/4a1c0ddc6e7bcf2e9db0eeaab9340dcfe97f448f
git	www.git.kernel.org/stable/c/41c6e9bc3a09539deab43957a3211d902a4818f0
git	www.git.kernel.org/stable/c/b328d8e7c437d0f026ba2c13788af6eae77700f1
git	www.git.kernel.org/stable/c/fabfa6b81bd386154d7e59f8cd8f760f9e68b48c
git	www.git.kernel.org/stable/c/911b557dd7817460881fd51a03069b539c674d0e
git	www.git.kernel.org/stable/c/6575f9fbf084502b7118a628425bf7866666498d

17 Jun 2026 10:34Current

5.6Medium risk

Vulners AI Score5.6

CVSS 3.15.5

EPSS0.00133