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CVE-2026-64371

Published Jul 25, 2026 EPSS 0.18% (7th pctl)

Overview

CVE-2026-64371 is a known-severity vulnerability. It was published on July 25, 2026.

Technical Description

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

proc: protect ptrace_may_access() with exec_update_lock (part 1)

Fix the easy cases where procfs currently calls ptrace_may_access() without

exec_update_lock protection, where the fix is to simply add the extra lock

or use mm_access():

- do_task_stat(): grab exec_update_lock

- proc_pid_wchan(): grab exec_update_lock

- proc_map_files_lookup(): use mm_access() instead of get_task_mm()

- proc_map_files_readdir(): use mm_access() instead of get_task_mm()

- proc_ns_get_link(): grab exec_update_lock

- proc_ns_readlink(): grab exec_update_lock

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

Ref git.kernel.org/stable/c/4bfe8c481846cee52473a2f7d7b30ee8e6749fc4 Ref git.kernel.org/stable/c/6650527444dadc63d84aa939d14ecba4fadb2f69 Ref git.kernel.org/stable/c/7456ae990a9738962b33146916fabca62ae3d4e0 Ref git.kernel.org/stable/c/ae1e630bcaac739f625822078edbaea98366930d Ref git.kernel.org/stable/c/bb43679356f1f2a4c6b1c88aec4f021e5b5c74e9 Ref git.kernel.org/stable/c/c1cfd63326f5d09999134e9052c353faf738286e Ref git.kernel.org/stable/c/d54f14655fd7d7b293698a8b6918563c4c0465e7 Ref git.kernel.org/stable/c/f9b4b03ccc9c69bf7f7298d4559906ebea7143b3

Frequently Asked Questions

What is CVE-2026-64371?

CVE-2026-64371 is a known-severity vulnerability. It was published on July 25, 2026.

How severe is CVE-2026-64371?

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-2026-64371?

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-2026-64371?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-64371 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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