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CVE-2026-31739

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The tegra crypto driver failed to set the CRYPTO_ALG_ASYNC on its asynchronous alg…

Published May 1, 2026CWE-617EPSS 0.60%

Overview

CVE-2026-31739 is a high-severity vulnerability. It was published on May 1, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

crypto: tegra - Add missing CRYPTO_ALG_ASYNC

The tegra crypto driver failed to set the CRYPTO_ALG_ASYNC on its

asynchronous algorithms, causing the crypto API to select them for users

that request only synchronous algorithms. This causes crashes (at

least). Fix this by adding the flag like what the other drivers do.

Also remove the unnecessary CRYPTO_ALG_TYPE_* flags, since those just

get ignored and overridden by the registration function anyway.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/3aea268b6d5cde3b087df9eeecc3bc620aa09513Refgit.kernel.org/stable/c/429d05565eb19ee545d8a8395991372adbe4daf3Refgit.kernel.org/stable/c/4b56770d345524fc2acc143a2b85539cf7d74bc1Refgit.kernel.org/stable/c/bdbf027a4504b4a86740de6beb6d18a957331839

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31739?

CVE-2026-31739 is a high-severity vulnerability. It was published on May 1, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-31739?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-31739?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-31739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31739 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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