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CVE-2026-89695

🗓️ 11 Sep 2026 19:46:14Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views

Uncapped NFSv4 POSIX ACL count in Linux kernel nfsd enables O(n^2) sort-based DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89695 nfsd: cap decoded POSIX ACL count to bound sort cost
11 Sep 202619:46
–cvelist
debiancve
Debian CVE
CVE-2026-89695
11 Sep 202619:46
–debiancve
euvd
EUVD
EUVD-2026-76607
11 Sep 202619:46
–euvd
nvd
NVD
CVE-2026-89695
11 Sep 202620:19
–nvd
osv
OSV
BELL-CVE-2026-89695 CVE-2026-89695 does not affect BellSoft software
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89695
11 Sep 202620:19
–osv
osv
OSV
OPENSUSE-SU-2026:11805-1 kernel-devel-7.2.6-1.1 on GA media
17 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89695
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90411
11 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-89695: Undefined Security Weakness
11 Sep 202600:00
–rapid7
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.0–7.2.4
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfs4xdr.c"
    ],
    "versions": [
      {
        "version": "5fc51dfc2eb160bd7ab3251ab1767cacf9c8bf05",
        "lessThan": "ea14d71d6ecb925673761bcf79f781f7dc9042cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5fc51dfc2eb160bd7ab3251ab1767cacf9c8bf05",
        "lessThan": "4bc1108e876153a2dd6d874052b99182c3603135",
        "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/nfsd/nfs4xdr.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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13 Sep 2026 07:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00488
26