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libkcapi: Infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled io_getevents() timeout return

🗓️ 19 Aug 2026 13:15:02Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 16 Views

libkcapi _kcapi_aio_read_all() infinite loop DoS via unhandled io_getevents timeout return.

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Refs
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attackerkb
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CVE-2026-71227
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AlmaLinux 8 : libkcapi (ALSA-2026:67266)
14 Sep 202600:00
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AlmaLinux 10 : libkcapi (ALSA-2026:67267)
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Fedora 45 : libkcapi (2026-1a1eac3dfb)
20 Aug 202600:00
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Fedora 46 : libkcapi (2026-e3ee465ab3)
21 Aug 202600:00
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RHEL 9 : libkcapi (RHSA-2026:67265)
14 Sep 202600:00
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RHEL 8 : libkcapi (RHSA-2026:67266)
14 Sep 202600:00
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RHEL 10 : libkcapi (RHSA-2026:67267)
14 Sep 202600:00
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Linux Distros Unpatched Vulnerability : CVE-2026-71227
5 Aug 202600:00
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alpinelinux
AlpineLinux
CVE-2026-71227
5 Aug 202612:42
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libkcapi1.5.1-0.1.hum1libkcapi-1.5.1-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libkcapi1.5.1-0.1.hum1libkcapi-1.5.1-0.1.hum1.x86_64.rpm

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14 Sep 2026 09:38Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.1
EPSS0.00164
SSVC
16