CVE-2026-71226CWE-416

CVE-2026-71226

High · published August 5, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
7.3
In the wild
Unconfirmed
What it is

Memory 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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00181 · 7.3th percentile
Weakness
CWE-416 · Use After Free
Published
2026-08-05T17:24Z
Affected products (6)
ProductVersionsFixed in
redhat/hardened_imagesall versions—
redhat/openshift_container_platformall versions—
smuellerdd/libkcapi≥ 0.12.0, < 1.5.11.5.1
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
References (8)
https://access.redhat.com/errata/RHSA-2026:56985 · [email protected]https://access.redhat.com/errata/RHSA-2026:67265 · [email protected]https://access.redhat.com/errata/RHSA-2026:67266 · [email protected]https://access.redhat.com/errata/RHSA-2026:67267 · [email protected]https://access.redhat.com/errata/RHSA-2026:69285 · [email protected]https://access.redhat.com/errata/RHSA-2026:87712 · [email protected]https://access.redhat.com/security/cve/CVE-2026-71226 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2462114 · [email protected]
EPSS history
Timeline
  • 05 AUG 12:37Z
    Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path
    cvelistv5