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: sctp: fix addr_wq_timer race in sctp_free_addr_wq() sctp_free_addr_wq() previously removed addr_wq_timer using timer_delete() while holding addr_wq_lock. However, timer_delete() does not guarantee that a currently running timer handler has completed. This allows a race with sctp_addr_wq_timeout_handler(), where the handler may still run after addr_waitq has been freed, acquire addr_wq_lock, and access freed memory, leading to a use-after-free. Fix this by calling timer_shutdown_sync() before taking addr_wq_lock. This guarantees that any in-flight timer handler has finished and prevents the timer from being re-armed during teardown, making subsequent cleanup safe.
Засегнати продукти
- Linux Linux: 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди fb6117713abef8646fdbf58256532451bcf26c47; 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди 5098308ad72f83f3b1a48c247dddab1695114bae; 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди d49eff15261dd62e4fa3a316c26cb1f537a60464; 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди a8323fb2ab6cd6978f359daeed6688e0cadf32ba; 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди c3e5cac47519d77ad36b9c03a1df1536aaa0c4a1; 4db67e808640e3934d82ce61ee8e2e89fd877ba8 преди 976c19de0f22a857ba0112f39635f8fd7a257568
- Linux Linux: 3.7; преди 3.7; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.114 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-2026-72383
- https://nvd.nist.gov/vuln/detail/CVE-2026-72383
- https://git.kernel.org/stable/c/fb6117713abef8646fdbf58256532451bcf26c47
- https://git.kernel.org/stable/c/5098308ad72f83f3b1a48c247dddab1695114bae
- https://git.kernel.org/stable/c/d49eff15261dd62e4fa3a316c26cb1f537a60464
- https://git.kernel.org/stable/c/a8323fb2ab6cd6978f359daeed6688e0cadf32ba
- https://git.kernel.org/stable/c/c3e5cac47519d77ad36b9c03a1df1536aaa0c4a1
- https://git.kernel.org/stable/c/976c19de0f22a857ba0112f39635f8fd7a257568