CVE-2026-71226

highpriority · track · 29EPSS 0.001 · 3 %ileDEEUFRUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.14% (3rd) EPSS

CVSS 7.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.3

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Hprimary · NVD / NIST USexploitability 2.5 · impact 4.7

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Hsecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Hsecondary · secalert@redhat.com USexploitability 2.5 · impact 4.7

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US

affected products (11)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 10all versionscert_bundDEcpe:/o:redhat:enterprise_linux:10
Stephan Muelle libkcapi0.12.0 → 1.5.1enisa_euvdEU
redhat enterprise linux= 10.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 8.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 9.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat hardened imagesall versionsnvdUScpe:2.3:a:redhat:hardened_images:*:*:*:*:*:*:*:*
redhat openshift container platform= 4.0nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
smuellerdd libkcapi0.12.0 → 1.5.1nvdUScpe:2.3:a:smuellerdd:libkcapi:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3322Red Hat Enterprise Linux (libkcapi): Mehrere SchwachstellenDeutsch2026-09-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Informationen offenzulegen, Daten zu manipulieren, Speicherbeschädigungen zu verursachen oder einen Denial-of-Service-Zustand auszulösen.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd certfr NVD CVE.org MITRE

published 2026-08-05modified 2026-10-22

references (12)

External citations — patches, advisories, analysis.

scry

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