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CVE-2026-31597 ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY

🗓️ 24 Apr 2026 14:42:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

CVE-2026-31597 fixes use-after-free in ocfs2_fault at VM_FAULT_RETRY by saving ip_blkno and removing vma.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/mmap.c",
      "fs/ocfs2/ocfs2_trace.h"
    ],
    "versions": [
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "36539c4d536f851a3b346a6ebb27b51bc3d77a94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "35c2c05261d6f6d84aaa1355afa201d507943e76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "3f5e74b5db9353b01ed50f4de84e75b755f8fbc2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "6f072daefcab1d84ce37c073645615f63be91006",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "4cf2768a0291a0cdd0dae801ea0eafa3878a349d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "d45ff441b416d4aa1af72b1db23d959601c04da2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "76a602fdbb78dd05b2da06f74a988cebc97e82d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "925bf22c1b823e231b1baea761fe8a1512e442f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "614a9e849ca6ea24843795251cb30af525d5336b",
        "lessThan": "7de554cabf160e331e4442e2a9ad874ca9875921",
        "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/mmap.c",
      "fs/ocfs2/ocfs2_trace.h"
    ],
    "versions": [
      {
        "version": "2.6.39",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.39",
        "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"
      }
    ]
  }
]

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05 Aug 2026 12:23Current
CVSS 3.17.8
EPSS0.00128
50