CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix UAF in hci_unregister_dev() hci_unregister_dev() does not disable cmd_timer and ncmd_timer before the hci_dev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory (including the hdev->reset function pointer), leading to a use-after-free. Add disable_delayed_work_sync() calls alongside the existing disable_work_sync() calls to ensure both timers are fully quiesced before teardown proceeds.
Засегнати продукти
- Linux Linux: 96600c2e5ee8213dbab5df1617293d8e847bb4fa преди c277f624cd99e4f0e0223fd039b7615feea4afdc; d6cbce18370641a21dd889e8613d8153df15eb39 преди bce2eec05bce548b548aca52c1834540f97d5d60; 0d151a103775dd9645c78c97f77d6e2a5298d913 преди 48c7ad6afcc58c2cda11fed39791708103b6a644; 0d151a103775dd9645c78c97f77d6e2a5298d913 преди a0fd1086a57b982f8c24ae4ab165c2af39fe1735; 0d151a103775dd9645c78c97f77d6e2a5298d913 преди 672d52d9412252e61b8de8d773ccdf5a277cf540; 0d151a103775dd9645c78c97f77d6e2a5298d913 преди 5edcc018fa6e80b2c478454a4a8229c23d67c181; 48542881997e17b49dc16b93fe910e0cfcf7a9f9; 9cfc84b1d464cc024286f42a090718f9067b80ed; ddeda6ca5f218b668b560d90fc31ae469adbfd92; d2ce562a5aff1dcd0c50d9808ea825ef90da909f; 3f939bd73fed12dddc2a32a76116c19ca47c7678; 6.1.101 преди 6.1.191; 6.6.42 преди 6.6.160; 4.19.319 преди 4.20; 5.4.281 преди 5.5; 5.10.223 преди 5.11; 5.15.164 преди 5.16; 6.9.11 преди 6.10
- Linux Linux: 6.10; преди 6.10; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.97 до 6.12.*; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; от 7.2 нататък
История
- 15 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-74302
- https://nvd.nist.gov/vuln/detail/CVE-2026-74302
- https://git.kernel.org/stable/c/c277f624cd99e4f0e0223fd039b7615feea4afdc
- https://git.kernel.org/stable/c/bce2eec05bce548b548aca52c1834540f97d5d60
- https://git.kernel.org/stable/c/48c7ad6afcc58c2cda11fed39791708103b6a644
- https://git.kernel.org/stable/c/a0fd1086a57b982f8c24ae4ab165c2af39fe1735
- https://git.kernel.org/stable/c/672d52d9412252e61b8de8d773ccdf5a277cf540
- https://git.kernel.org/stable/c/5edcc018fa6e80b2c478454a4a8229c23d67c181