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.
CVE-2026-71226
Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. NVD baseline CVSS 7.3; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EG Risk
- 33(Track)EG Risk 33/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity73% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 3%
- KEV
- Not listed
Published
August 5, 2026
Last Modified
September 14, 2026
Advisory Details (2)
Auto-updated Aug 5, 20262462114 – (CVE-2026-71226) CVE-2026-71226 libkcapi: Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path
https://bugzilla.redhat.com/show_bug.cgi?id=2462114CVE-2026-71226 - Red Hat Customer Portal
Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a
https://access.redhat.com/security/cve/CVE-2026-71226Vendor Advisories for CVE-2026-71226(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:56985Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
- CVE-2026-71226Microsoft Security Response Center (MSRC)High
Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path
- GHSA-rg4h-x337-qh8mGitHub Security AdvisoriesHigh
Memory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return...
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | libkcapi-0:1.5.1-1.el10_2 | 2026-09-14 | redhat |
| redhat | libkcapi-0:1.4.0-3.el8_10 | 2026-09-14 | redhat |
| redhat | libkcapi-0:1.4.0-3.el9_8 | 2026-09-14 | redhat |
| redhat | libkcapi-main-1.5.1-0.1.hum1 | 2026-08-19 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(8 across 8 ecosystems)
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | — | 1.5.1-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | — | 1.5.1-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | — | 1.5.1-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | — | 1.5.1-r0 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | 1.2.1-1 ... 1.4.0-1 (6 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | 1.4.0-1 | — | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | 1.4.0-1 | — | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libkcapi | 1.4.0-1 | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(3)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 35× in last 7d / 157× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 226 total refreshes for this CVE.
- 2026-09-19 07:43 UTCEG score recompute
- 2026-09-19 07:43 UTCVendor advisory
- 2026-09-19 07:43 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 17:43 UTCVendor advisory
- 2026-09-18 17:43 UTCGHSA enrichment
- 2026-09-18 04:10 UTCVendor advisory
- 2026-09-18 04:10 UTCGHSA enrichment
- 2026-09-17 15:56 UTCVendor advisory
- 2026-09-17 15:56 UTCGHSA enrichment
- 2026-09-17 01:07 UTCEG score recompute
- 2026-09-17 01:07 UTCVendor advisory
- 2026-09-17 01:07 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 05:14 UTCVendor advisory
- 2026-09-16 05:14 UTCGHSA enrichment
- 2026-09-15 16:22 UTCEG score recompute
- 2026-09-15 16:22 UTCVendor advisory
- 2026-09-15 16:22 UTCGHSA enrichment
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-15 01:29 UTCVendor advisory
- 2026-09-15 01:29 UTCGHSA enrichment
- 2026-09-14 10:21 UTCVendor advisory
- 2026-09-14 10:21 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-09-14 09:30 UTCVendor advisory
- 2026-09-14 09:30 UTCGHSA enrichment
- 2026-09-13 21:20 UTCEG score recompute
- 2026-09-13 21:20 UTCVendor advisory
- 2026-09-13 21:20 UTCGHSA enrichment
- 2026-09-13 09:05 UTCVendor advisory
- 2026-09-13 09:05 UTCGHSA enrichment
- 2026-09-12 20:51 UTCEG score recompute
- 2026-09-12 20:51 UTCVendor advisory
- 2026-09-12 20:51 UTCGHSA enrichment
- 2026-09-12 15:02 UTCEPSS rescore
- 2026-09-12 08:37 UTCVendor advisory
- 2026-09-12 08:37 UTCGHSA enrichment
- 2026-09-11 20:23 UTCEG score recompute
- 2026-09-11 20:23 UTCVendor advisory
- 2026-09-11 20:23 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 08:00 UTCVendor advisory
- 2026-09-11 08:00 UTCGHSA enrichment
- 2026-09-10 19:46 UTCEG score recompute
- 2026-09-10 19:46 UTCVendor advisory
- 2026-09-10 19:46 UTCGHSA enrichment
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 07:29 UTCVendor advisory
- 2026-09-10 07:29 UTCGHSA enrichment
- 2026-09-09 19:15 UTCVendor advisory
- 2026-09-09 19:15 UTCGHSA enrichment
- 2026-09-09 06:24 UTCEG score recompute
- 2026-09-09 06:24 UTCVendor advisory
- 2026-09-09 06:24 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-08 07:59 UTCVendor advisory
- 2026-09-08 07:59 UTCGHSA enrichment
- 2026-09-07 18:17 UTCEG score recompute
- 2026-09-07 18:17 UTCVendor advisory
- 2026-09-07 18:17 UTCGHSA enrichment
- 2026-09-06 18:56 UTCEG score recompute
- 2026-09-06 18:56 UTCVendor advisory
- 2026-09-06 18:56 UTCGHSA enrichment
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-06 06:41 UTCVendor advisory
- 2026-09-06 06:41 UTCGHSA enrichment
- 2026-09-05 18:27 UTCEG score recompute
- 2026-09-05 18:27 UTCVendor advisory
- 2026-09-05 18:27 UTCGHSA enrichment
- 2026-09-05 03:48 UTCEG score recompute
- 2026-09-05 03:48 UTCVendor advisory
- 2026-09-05 03:48 UTCGHSA enrichment
- 2026-09-04 09:34 UTCEG score recompute
- 2026-09-04 09:34 UTCVendor advisory
- 2026-09-04 09:34 UTCGHSA enrichment
- 2026-09-04 05:07 UTCEPSS rescore
- 2026-09-03 19:17 UTCVendor advisory
- 2026-09-03 19:17 UTCGHSA enrichment
- 2026-09-03 06:52 UTCEG score recompute
- 2026-09-03 06:52 UTCVendor advisory
- 2026-09-03 06:51 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-02 07:30 UTCEG score recompute
- 2026-09-02 07:30 UTCVendor advisory
- 2026-09-02 07:29 UTCGHSA enrichment
- 2026-09-02 03:04 UTCGHSA enrichment
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 13:42 UTCVendor advisory
- 2026-09-01 13:42 UTCGHSA enrichment
- 2026-09-01 13:00 UTCVendor advisory
- 2026-09-01 13:00 UTCGHSA enrichment
- 2026-09-01 07:15 UTCEG score recompute
- 2026-09-01 07:15 UTCVendor advisory
- 2026-09-01 07:15 UTCGHSA enrichment
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-08-31 17:24 UTCVendor advisory
- 2026-08-31 17:24 UTCGHSA enrichment
- 2026-08-31 16:58 UTCVendor advisory
- 2026-08-31 16:57 UTCGHSA enrichment
Frequently asked(5)
What is CVE-2026-71226?
When was CVE-2026-71226 disclosed?
Is CVE-2026-71226 actively exploited?
What is the CVSS score of CVE-2026-71226?
How do I remediate CVE-2026-71226?
Dependency Blast Radius
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