CVE-2026-90135
INFO
Priority: 0.00
BB Relevance:
0/100
Published: 2026-09-17
Modified: 2026-10-30
First seen: 2026-10-30
Status: pending_score
Description
In the Linux kernel, the following vulnerability has been resolved: net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs() sashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/* causes use-afer-free crash when either alloc_percpu() or dev_addr_init() in alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 ("net: add net device refcount tracker infrastructure") added ref_tracker_dir_exit() to only free_netdev() path.
Affected Software (7)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < b0859020cab4ea6101478141aeec1b052ed80bdd |
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < 45be87c5195f34c0a51598bc91186f600be5c4c9 |
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < 2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c |
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < 5fe03b5257095e2beef0bc79e1f068fbd09a24c7 |
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < 63ab05e8f9654aa100d366c0236399fda6ffaab1 |
| Linux | Linux | 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d < 0b1c2af8a22c35cb099c735c2f63ea3ba757557d |
| Linux | Linux | 5.17 |