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CVE-2026-89677

🗓️ 11 Sep 2026 19:46:01Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Use-after-free in Linux kernel nfsd4_create_file() via fh_compose of wrong dentry.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89677 nfsd: fix possible fh_compose of wrong dentry in nfsd4_create_file()
11 Sep 202619:46
cvelist
nvd
NVD
CVE-2026-89677
11 Sep 202620:19
nvd
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.07.2.4
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "64a989dbd144e0622371396461b11335459692d2",
        "lessThan": "033e783709ce99662cf81f6abcad746a8da9d35f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "64a989dbd144e0622371396461b11335459692d2",
        "lessThan": "3e2c79360c6a89975ec5b5a7d4ef937e4db91a27",
        "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/nfs4proc.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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