Vulnerability record/PUBLISHED/Published Aug 5, 2026 12:37:17 UTC

CVE-2026-71226

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.

Base score7.3/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorLocalAV

Attack complexityLowAC

Privileges requiredNonePR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactLowC

Integrity impactLowI

Availability impactHighA

CVSS vector stringCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityredhat

Last updatedNov 6, 2026 22:24:48 UTC

PublishedAug 5, 2026 12:37:17 UTC

ReservedAug 5, 2026 09:15:14 UTC

Credits

This issue was discovered by Found by AISLE in partnership with Red Hat.