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Оригинално описание
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.
Засегнати продукти
- Linux Linux: 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди b0859020cab4ea6101478141aeec1b052ed80bdd; 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди 45be87c5195f34c0a51598bc91186f600be5c4c9; 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди 2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c; 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди 5fe03b5257095e2beef0bc79e1f068fbd09a24c7; 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди 63ab05e8f9654aa100d366c0236399fda6ffaab1; 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d преди 0b1c2af8a22c35cb099c735c2f63ea3ba757557d
- Linux Linux: 5.17; преди 5.17; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; 7.3 до *
История
- 17 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-90135
- https://nvd.nist.gov/vuln/detail/CVE-2026-90135
- https://git.kernel.org/stable/c/b0859020cab4ea6101478141aeec1b052ed80bdd
- https://git.kernel.org/stable/c/45be87c5195f34c0a51598bc91186f600be5c4c9
- https://git.kernel.org/stable/c/2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c
- https://git.kernel.org/stable/c/5fe03b5257095e2beef0bc79e1f068fbd09a24c7
- https://git.kernel.org/stable/c/63ab05e8f9654aa100d366c0236399fda6ffaab1
- https://git.kernel.org/stable/c/0b1c2af8a22c35cb099c735c2f63ea3ba757557d