CVE-2026-46085
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rxrpc: Fix rxkad crypto unalignment handling in Linux Kernel

Publication date: 2026-05-27

Last updated on: 2026-05-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxkad crypto unalignment handling Fix handling of a packet with a misaligned crypto length. Also handle non-ENOMEM errors from decryption by aborting. Further, remove the WARN_ON_ONCE() so that it can't be remotely triggered (a trace line can still be emitted).
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Meta Information
Published
2026-05-27
Last Modified
2026-05-30
Generated
2026-06-16
AI Q&A
2026-05-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-46085
EUVD
EUVD-2026-32468
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability relates to the Linux kernel's rxrpc component, specifically in the rxkad cryptographic handling. It involves improper handling of packets with misaligned crypto length, which could cause issues during decryption. The fix addresses the handling of such misaligned packets and ensures that non-memory error (non-ENOMEM) decryption errors cause the process to abort. Additionally, a warning that could be triggered remotely has been removed to prevent potential remote triggering.

Impact Analysis

Improper handling of misaligned crypto packets and errors during decryption could potentially lead to unexpected behavior or crashes in the Linux kernel's rxrpc subsystem. This might affect system stability or security by allowing an attacker to remotely trigger warnings or cause abnormal termination of processes handling encrypted packets.

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