CVE-2026-72455
7.1 · HIGHOverview
CVE-2026-72455 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
apparmor: fix uninitialised pointer passed to audit_log_untrustedstring()
Commit 4a134723f9f1 ("apparmor: move check for aa_null file to cover all cases")
intrdouced a small bug, where path_name() may pass a potentially uninitialized
*name to aa_audit_file() if the path->dentry had been replaced with
aa_null.dentry earlier on. This can lead to page fault like one observed on
7.0.2 openSUSE Tumbleweed kernel:
[51692.242756] [ T24690] BUG: unable to handle page fault for address: 0000000f00000003
[51692.242762] [ T24690] #PF: supervisor read access in kernel mode
[51692.242763] [ T24690] #PF: error_code(0x0000) - not-present page
[51692.242765] [ T24690] PGD 0 P4D 0
[51692.242768] [ T24690] Oops: Oops: 0000 [#1] SMP NOPTI
[51692.242772] [ T24690] CPU: 3 UID: 1020 PID: 24690 Comm: snap-confine Tainted: G O 7.0.2-1-default #1 PREEMPT(full) openSUSE Tumbleweed ab90b4c9940707f9cafa19bdad80b2cec52db
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.
Frequently Asked Questions
What is CVE-2026-72455?
CVE-2026-72455 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2026-72455?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-72455?
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-2026-72455?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-72455 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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