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CVE-2026-64216 netfs: Fix potential UAF in netfs_unlock_abandoned_read_pages()

🗓️ 24 Jul 2026 15:23:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

CVE-2026-64216: Fix use-after-free in netfs unlocks by using a folio pointer instead of an index.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/netfs/buffered_read.c",
      "fs/netfs/read_collect.c",
      "fs/netfs/read_retry.c",
      "include/linux/netfs.h"
    ],
    "versions": [
      {
        "version": "ee4cdf7ba857a894ad1650d6ab77669cbbfa329e",
        "lessThan": "d4ae8dba90b89e7bb4d1045d1cb26afbaf13ee5c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4cdf7ba857a894ad1650d6ab77669cbbfa329e",
        "lessThan": "6080fa3ecfbb4448a3b47368629534c09b6ec750",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4cdf7ba857a894ad1650d6ab77669cbbfa329e",
        "lessThan": "3866d015f33aeedf81338dd99154703bef33faef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee4cdf7ba857a894ad1650d6ab77669cbbfa329e",
        "lessThan": "dbe556972100fabb8e5a1b3d2163831ff07b1e8e",
        "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/netfs/buffered_read.c",
      "fs/netfs/read_collect.c",
      "fs/netfs/read_retry.c",
      "include/linux/netfs.h"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.106",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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27 Aug 2026 12:39Current
CVSS 3.19.8
EPSS0.00457
51