CVE-2026-46288
8.4 · HIGHOverview
CVE-2026-46288 is a high-severity vulnerability affecting linux linux_kernel. It was published on June 8, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
of: unittest: fix use-after-free in of_unittest_changeset()
The variable 'parent' is assigned the value of 'nchangeset' earlier in the
function, meaning both point to the same struct device_node. The call to
of_node_put(nchangeset) can decrement the reference count to zero and
free the node if there are no other holders. After that, the code still
uses 'parent' to check for the presence of a property and to read a
string property, leading to a use-after-free.
Fix this by moving the of_node_put() call after the last access to
'parent', avoiding the UAF.
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.12, < 6.12.86 | Affected |
Frequently Asked Questions
What is CVE-2026-46288?
CVE-2026-46288 is a high-severity vulnerability affecting linux linux_kernel. It was published on June 8, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).
How severe is CVE-2026-46288?
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-46288?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2026-46288?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-46288 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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