Mem Corruption via Uncanceled AIO on Err: libkcapi One-Shot AIO Leakage
CVE-2026-71226 Published on August 5, 2026
Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path
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.
Vulnerability Analysis
CVE-2026-71226 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public. 101 days later.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-71226 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-71226
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