CVE-2026-71226
Medium
Elevated severity or exploit probability.
CVSS base
7.3
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS — probability of exploitation (30 days)
0.1%
3.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2026-08-05 · modified 2026-09-14
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | L | Low |
| Integrity | L | Low |
| Availability | H | High |
Timeline
- 2026-08-05 — Published (NVD)
- 2026-09-14 — Last modified (NVD)
Description
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.
Affected
References
- https://access.redhat.com/errata/RHSA-2026:56985
- https://access.redhat.com/errata/RHSA-2026:67265
- https://access.redhat.com/errata/RHSA-2026:67266
- https://access.redhat.com/errata/RHSA-2026:67267
- https://access.redhat.com/security/cve/CVE-2026-71226
- https://bugzilla.redhat.com/show_bug.cgi?id=2462114