{
  "cveId": "CVE-2026-53026",
  "url": "https://patchblox.com/security/cve/CVE-2026-53026",
  "summary": "CVE-2026-53026 is fixed in 94 products on 1 platform, first by ALAS2023-2026-1866, released June 22, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nNFSD: fix nfs4_file access extra count in nfsd4_a...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:\nNFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg\nIn nfsd4_add_rdaccess_to_wrdeleg, if fp-\u003Efi_fds[O_RDONLY] is already\nset by another thread, __nfs4_file_get_access should not be called\nto increment the nfs4_file access count since that was already done\nby the thread that added READ access to the file. The extra fi_access\ncount in nfs4_file can prevent the corresponding nfsd_file from being\nfreed.\nWhen stopping nfs-server service, these extra access counts trigger a\nBUG in kmem_cache_destroy() that shows nfsd_file object remaining on\n__kmem_cache_shutdown.\nThis problem can be reproduced by running the Git project\u0027s test\nsuite over NFS.",
  "published": "2026-06-22T09:00:00Z",
  "severity": "moderate",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss": 0.00426,
  "epssPercentile": 0.37151,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bpftool6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.33-63.124.amzn2023",
      "fix": "ALAS2023-2026-1866",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1866",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool6.18-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.33-63.124.amzn2023",
      "fix": "ALAS2023-2026-1866",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1866",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-211.50.1.el10_2",
      "fix": "RHSA-2026:61887",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-61887",
      "released": "2026-09-02T01:28:12Z"
    },
    {
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      "product": "kernel",
      "release": "almalinux 10",
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      "fix": "ALSA-2026:61887",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-61887",
      "released": "2026-09-01T00:00:00Z"
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    {
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      "product": "kernel",
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      "fix": "ELSA-2026-61887-0",
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      "released": "2026-09-01T00:00:00Z"
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    {
      "platform": "linux",
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      "fix": "RLSA-2026:61887",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-61887",
      "released": "2026-09-02T18:08:30Z"
    },
    {
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      "product": "kernel-64k",
      "release": "almalinux 10",
      "fixedVersion": "6.12.0-211.50.1.el10_2",
      "fix": "ALSA-2026:61887",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-61887",
      "released": "2026-09-01T00:00:00Z"
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    {
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      "fix": "ALSA-2026:61887",
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      "released": "2026-09-01T00:00:00Z"
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