CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се от съседна мрежа, без особени условия, без 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: ISO: hold sk properly in iso_conn_ready sk deref in iso_conn_ready must be done either under conn->lock, or holding a refcount, to avoid concurrent close. conn->sk is currently accessed without either: [Task 1] [Task 2] iso_sock_release iso_conn_ready sk = conn->sk lock_sock(sk) conn->sk = NULL lock_sock(sk) release_sock(sk) iso_sock_kill(sk) UAF on sk deref Fix possible UAF by holding sk refcount in iso_conn_ready(). Also recheck after lock_sock that the socket is still valid. Adjust locking so conn->sk is cleared only under lock_sock.
Засегнати продукти
- Linux Linux: 27c24fda62b601d6f9ca5e992502578c4310876f преди 622180fe44fb52d4d7bafcd67922959823fec263; 27c24fda62b601d6f9ca5e992502578c4310876f преди 44590dc53c9e949d2fed399a571a89c3d7d0b245; 27c24fda62b601d6f9ca5e992502578c4310876f преди 99b65f0ea3370c13687ff870330c425b6ca44e89; 27c24fda62b601d6f9ca5e992502578c4310876f преди 4e9b5e8669b3602a4e01b6d1e9539b72e42c84d5; 27c24fda62b601d6f9ca5e992502578c4310876f преди 1308d72903d792d10b82bc4ef08b8a4452308b04; 27c24fda62b601d6f9ca5e992502578c4310876f преди 0d255e63fcf3f13a570d7ac11678fa1164ac015c
- Linux Linux: 5.15; преди 5.15; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.44 до 6.18.*; 7.1.8 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-2026-74537
- https://nvd.nist.gov/vuln/detail/CVE-2026-74537
- https://git.kernel.org/stable/c/622180fe44fb52d4d7bafcd67922959823fec263
- https://git.kernel.org/stable/c/44590dc53c9e949d2fed399a571a89c3d7d0b245
- https://git.kernel.org/stable/c/99b65f0ea3370c13687ff870330c425b6ca44e89
- https://git.kernel.org/stable/c/4e9b5e8669b3602a4e01b6d1e9539b72e42c84d5
- https://git.kernel.org/stable/c/1308d72903d792d10b82bc4ef08b8a4452308b04
- https://git.kernel.org/stable/c/0d255e63fcf3f13a570d7ac11678fa1164ac015c