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CVE-2026-89546

🗓️ 11 Sep 2026 19:44:21Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Race in Linux kernel SUNRPC during NFS callback teardown causes reference leak or dangling request.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89546 SUNRPC: close backchannel before destroying callback service
11 Sep 202619:44
cvelist
debiancve
Debian CVE
CVE-2026-89546
11 Sep 202619:44
debiancve
euvd
EUVD
EUVD-2026-76457
11 Sep 202619:44
euvd
nvd
NVD
CVE-2026-89546
11 Sep 202620:19
nvd
osv
OSV
DEBIAN-CVE-2026-89546
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90262
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89546
11 Sep 202621:38
redhatcve
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.197.2.4
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/nfs/callback.c",
      "include/linux/sunrpc/bc_xprt.h",
      "net/sunrpc/backchannel_rqst.c"
    ],
    "versions": [
      {
        "version": "441244d4273a8037b265fd254dfdaca5fa736ee2",
        "lessThan": "6debde9e3e6ae21dcca75837b4247b13ca4ea2b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "441244d4273a8037b265fd254dfdaca5fa736ee2",
        "lessThan": "3674f780f47d2906b5a0f7199b66973067bdfeca",
        "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/nfs/callback.c",
      "include/linux/sunrpc/bc_xprt.h",
      "net/sunrpc/backchannel_rqst.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "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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