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CVE-2026-46028

kernel: crypto: algif_aead - snapshot IV for async AEAD requests

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's algif_aead (Authenticated Encryption with Associated Data) subsystem. Asynchronous (async) requests for AEAD operations use a shared initialization vector (IV) buffer. This shared state can be modified by subsequent socket activity before an async request fully completes, leading to inconsistent IV handling. This inconsistency could potentially weaken cryptographic operations.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition