CVE-2026-93069
Description
In the Linux kernel, the following vulnerability has been resolved: OPP: Fix cleanup ordering Commit 173e02d67494 ("OPP: Initialize scope-based pointers inline") added initialization for all pointers. In some cases, the ordering was changed so that *opp_table was initialized after *opp. This also changes the order of the registered cleanup functions. When the cleanup happens, this can cause use-after-free errors when the last reference is released and the release function _opp_kref_release tries to access the already freed opp->opp_table. Initialize *opp_table before *opp again to fix this and ensure the correct cleanup order.
How to fix
- Linux Linuxf0c4b7ca24d2e2618a70826881d69b237e36bcc0, ce46fede7792cedd247e34b48bc8a02eb90c7848 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 173e02d674946ff3ef8da7f44a9d5b820b9af21c ≤ v < f0c4b7ca24d2e2618a70826881d69b237e36bcc0, 173e02d674946ff3ef8da7f44a9d5b820b9af21c ≤ v < ce46fede7792cedd247e34b48bc8a02eb90c7848, 6.19 | f0c4b7ca24d2e2618a70826881d69b237e36bcc0, ce46fede7792cedd247e34b48bc8a02eb90c7848 |
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