← Back to CVE Explorer

CVE-2026-93262

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: md/raid5-ppl: fix use-after-free in ppl_do_flush() The loop in ppl_do_flush() continues iterating after calling ppl_io_unit_finished(), touching io->pending_flushes and leading to a use-after-free. Add a break statement to stop the loop once io is freed.

Severity
HIGH
CVSS score
7.8 (v3.1)
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-09-24 16:17:22.927000
Last modified
2026-10-19 10:17:17.523000
View original CVE JSON
{
  "id": "CVE-2026-93262",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-24T16:17:22.927",
  "lastModified": "2026-10-19T10:17:17.523",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-ppl: fix use-after-free in ppl_do_flush()\n\nThe loop in ppl_do_flush() continues iterating after calling\nppl_io_unit_finished(), touching io->pending_flushes and leading to a\nuse-after-free.\n\nAdd a break statement to stop the loop once io is freed."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/md/raid5-ppl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "cf01f9413565e86673baf927291a088b6975692b",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "e7505842f1329ece90cb9ea0db87772aeca44052",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "b5123bf667ac29ddd8106f9ca7cc01316513ae66",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "e77c80670f2c2bf491da9b173931e1da4677c23a",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "8914c3d40870f16429a326e97e4016bedc6ede4c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "455b56209f9615c3902dcc398dd867abb5ade3ab",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "fcf21df7d3c50c8ebeb0757df5d21b02dcae4218",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "1532d9e87e8b2377f12929f9e40724d5fbe6ecc5",
              "lessThan": "371f7a1b392edc8b7cf449cc7713179b588f2d0e",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/md/raid5-ppl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.16",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.16",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.10.270",
              "lessThanOrEqual": "5.10.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.221",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.188",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.157",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.110",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.52",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.6",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/371f7a1b392edc8b7cf449cc7713179b588f2d0e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/455b56209f9615c3902dcc398dd867abb5ade3ab",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8914c3d40870f16429a326e97e4016bedc6ede4c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b5123bf667ac29ddd8106f9ca7cc01316513ae66",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cf01f9413565e86673baf927291a088b6975692b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e7505842f1329ece90cb9ea0db87772aeca44052",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e77c80670f2c2bf491da9b173931e1da4677c23a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fcf21df7d3c50c8ebeb0757df5d21b02dcae4218",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}