Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.12, < 6.12.86 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/37318d1a27c9cc5a70d3cd7e49e30ec86f2b8ca1Patch
- https://git.kernel.org/stable/c/6fdad20b7975bdc32e85b45f8f7c640f6687b81fPatch
- https://git.kernel.org/stable/c/7f0f0926f3010b10cff5e93446258f971e42f2fdPatch
- https://git.kernel.org/stable/c/faecdd423c27f0d6090156a435ba9dbbac0eaddbPatch
FAQ
What is CVE-2026-46288?
CVE-2026-46288 is a vulnerability with a CVSS score of 8.4 (HIGH). 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...
How severe is CVE-2026-46288?
CVE-2026-46288 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46288?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.