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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: io_uring/poll: avoid retry wakeup loss when dropping ownership If a wakeup sets IO_POLL_RETRY_FLAG between the owning task consuming the existing instance of IO_POLL_RETRY_FLAG and the loop check of io_poll_check_events(), then we stall on processing the request until an unrelated wakeup comes along. Using atomic_cmpxchg instead of atomic_sub_return to guarantee both the count v and poll_refs are 0 and no wake-ups are missed.
Засегнати продукти
- Linux Linux: a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди d1f6850086ac6f8b0fa44fb19aa2a468c73ee071; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди 41fae2e9e1fa3bee86aee0a25ba90e59ce5024bf; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди 4ef685b8505615729d75c875f52822238bf76ca6; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди afa407c02f3aa0fd872f86c9bf1b34502e0fa8f0; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди eb2a50d8235e4580fea9aa20f3fbe1a002c38cb1; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди 521e8a65e9b45532295ba1082ef12be6e80c173b; a26a35e9019fd70bf3cf647dcfdae87abc7bacea преди 937d38dcacd675dc0572d6c9b6743960df3128ed; 4b702b7d11ce1b9d26fc6d7c5a7ef4ac1d455048; bc4e6ee16778149811333a969a7a893d4cc110c5; 5.15.82 преди 5.16; 6.0.11 преди 6.1
- Linux Linux: 6.1; преди 6.1; 6.1.191 до 6.1.*; 6.6.161 до 6.6.*; 6.12.115 до 6.12.*; 6.18.60 до 6.18.*; 7.2.14 до 7.2.*; 7.3.1 до 7.3.*; 7.4-rc1 до *
История
- 3 ноември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-99263
- https://nvd.nist.gov/vuln/detail/CVE-2026-99263
- https://git.kernel.org/stable/c/d1f6850086ac6f8b0fa44fb19aa2a468c73ee071
- https://git.kernel.org/stable/c/41fae2e9e1fa3bee86aee0a25ba90e59ce5024bf
- https://git.kernel.org/stable/c/4ef685b8505615729d75c875f52822238bf76ca6
- https://git.kernel.org/stable/c/afa407c02f3aa0fd872f86c9bf1b34502e0fa8f0
- https://git.kernel.org/stable/c/eb2a50d8235e4580fea9aa20f3fbe1a002c38cb1
- https://git.kernel.org/stable/c/521e8a65e9b45532295ba1082ef12be6e80c173b
- https://git.kernel.org/stable/c/937d38dcacd675dc0572d6c9b6743960df3128ed