CVE-2026-71226

NameCVE-2026-71226
DescriptionMemory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return an error before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output buffers.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1143974

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libkcapi (PTS)bookworm, trixie1.4.0-1vulnerable
forky, sid1.5.1-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libkcapisource(unstable)1.5.1-11143974

Notes

[trixie] - libkcapi <no-dsa> (Minor issue)
[bookworm] - libkcapi <postponed> (Minor issue, revisit when fixed upstream)
https://bugzilla.redhat.com/show_bug.cgi?id=2462114
Fixed by: https://github.com/smuellerDD/libkcapi/commit/cd966ffa08cf605ae5853d2f9a42fdd2b6df8bb4 (v1.5.1)

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