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CVE-2026-23263 io_uring/zcrx: fix page array leak

🗓️ 18 Mar 2026 17:41:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

Linux kernel fix for page array leak in io_uring zcrx; frees leaked pages and the page array.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/zcrx.c"
    ],
    "versions": [
      {
        "version": "b84621d96ee0221e0bfbf9f477bbec7a5077c464",
        "lessThan": "64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84621d96ee0221e0bfbf9f477bbec7a5077c464",
        "lessThan": "0ae91d8ab70922fb74c22c20bedcb69459579b1c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/zcrx.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.10",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:03Current
EPSS0.001
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