CVE-2026-93824
In the Linux kernel, the following vulnerability has been resolved: tls: reject the combination of TLS and sockmap TLS and sockmap (BPF psock) integration hides a lot of latent bugs.
Overview
CVE-2026-93824 is a known-severity vulnerability. It was published on September 24, 2026.
Technical description
In the Linux kernel, the following vulnerability has been resolved:
tls: reject the combination of TLS and sockmap
TLS and sockmap (BPF psock) integration hides a lot of latent bugs.
Bugs which may be more or less relevant for real users but they
are definitely exploitable.
We could not find anyone actively using this integration so let's
reject this config. Adding a TLS socket to a sockmap was already
rejected by sk_psock_init() through the inet_csk_has_ulp() check.
We need to reject the attempts to configure the TLS keys (rather
than adding the ULP itself) because checking prior to the ULP
installation is tricky without risking a race with sockmap getting
added in parallel (sockmap does not hold the socket lock).
This patch is a minimal rejection of the feature. Subsequent patch
in the series will do a light dead code removal. Full cleanup would
require a major rewrite of the Tx path, we don't need skmsg any more.
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
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Frequently asked questions
What is CVE-2026-93824?
CVE-2026-93824 is a known-severity vulnerability. It was published on September 24, 2026.
How severe is CVE-2026-93824?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2026-93824?
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-2026-93824?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93824 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.