Use After Free in Red Hat Enterprise Linux 10

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.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71226?
CVE-2026-71226 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Use After Free. CVSS score: 7.3/10. Published 2026-08-05.
How severe is CVE-2026-71226?
High severity. CVSS v3 base score is 7.3 out of 10.