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CVE-2026-71227 Libkcapi: infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled io_getevents() timeout return

🗓️ 05 Aug 2026 12:42:10Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

Libkcapi flaw enables local denial of service by reusing an AIO handle after an error in _kcapi_aio_read_all().

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-71227
5 Aug 202612:42
attackerkb
alpinelinux
AlpineLinux
CVE-2026-71227
5 Aug 202612:42
alpinelinux
almalinux
AlmaLinux
Moderate: libkcapi security update
14 Sep 202600:00
almalinux
cbl_mariner
CBLMariner
CVE-2026-71227 affecting package libkcapi for versions less than 1.5.1-1
18 Aug 202614:14
cbl_mariner
cve
CVE
CVE-2026-71227
5 Aug 202612:42
cve
debiancve
Debian CVE
CVE-2026-71227
5 Aug 202612:42
debiancve
euvd
EUVD
EUVD-2026-53337
5 Aug 202612:42
euvd
nessus
Tenable Nessus
Fedora 45 : libkcapi (2026-1a1eac3dfb)
20 Aug 202600:00
nessus
nessus
Tenable Nessus
Fedora 46 : libkcapi (2026-e3ee465ab3)
21 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-71227
5 Aug 202600:00
nessus
Rows per page
[
  {
    "repo": "https://github.com/smuellerDD/libkcapi",
    "vendor": "Stephan Muelle",
    "product": "libkcapi",
    "versions": [
      {
        "status": "affected",
        "version": "0.12.0",
        "lessThan": "1.5.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libkcapi",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.5.1-1.el10_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libkcapi",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.4.0-3.el8_10",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libkcapi",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:1.4.0-3.el9_8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "libkcapi-main",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1.5.1-0.1.hum1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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