What’s Vulnerable › Vulnerabilities

CVE-2026-46028: crypto: algif_aead - snapshot IV for async AEAD requests

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - snapshot IV for async AEAD requests AF_ALG AEAD AIO requests currently use the socket-wide IV buffer during request processing. For async requests, later socket activity can update that shared state before the original request has fully completed, which can lead to inconsistent IV handling. Snapshot the IV into per-request storage when preparing the AEAD request, so in-flight operations no longer depend on mutable socket state.

Affected products

• Linux kernel: from 4.14 before 5.10.254; from 5.11 before 5.15.204; from 5.16 before 6.1.170; from 6.2 before 6.6.137; from 6.7 before 6.12.85; from 6.13 before 6.18.27 — fixed in 5.10.254, 5.15.204, 6.1.170, 6.12.85, 6.18.27, 6.6.137

How to fix

Upgrade to a fixed version: Linux kernel 5.10.254, 5.15.204, 6.1.170, 6.12.85. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/08ea39a556ecd39b33c2b4888861001c6706a62e
• https://git.kernel.org/stable/c/3d72f8c6490dc79210b64270740cb2a8619361a4
• https://git.kernel.org/stable/c/46fdb39e83227b5d39f7c934a0947ea913f13c18
• https://git.kernel.org/stable/c/5aa58c3a572b3e3b6c786953339f7978b845cc52
• https://git.kernel.org/stable/c/a920cabdb0b7cf1f4e11a20524253ae5bd09092b
• https://git.kernel.org/stable/c/c2138c9bd02af19e0b407376140cd5435b0d81da
• https://git.kernel.org/stable/c/ebc235675f24b0e3f8bc92b8419471d42f837d8f
• https://git.kernel.org/stable/c/fa0fcec9b49d58e71df7ede91ecd86855f608e85

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