CVSS
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Време до експлоатация
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify ftrace_direct_multi_init() assigns kthread_run()'s return value to simple_tsk without an IS_ERR() check. When kthread_run() fails it returns ERR_PTR(-ENOMEM), but init still returns 0, so the module loads with simple_tsk holding an error pointer. On unload, ftrace_direct_multi_exit() then passes that ERR_PTR to kthread_stop(), leading to a null-pointer-dereference. Check the return value of kthread_run() with IS_ERR(); on failure, unregister the ftrace direct call and propagate the error code.
Засегнати продукти
- Linux Linux: e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди 02866f063062dcc5686445c738be003de9787250; e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди 7a96b9f6d5ba23dbce66c8a4a242effd4c01a830; e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди 98b7b2a29ae87937aa02ab9391543ef8c602cd94; e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди 626614df9080d7052fbe24dc90b5434717ab7a9f; e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди cf839636911d8313f3ecd098329fd0b96499e4cf; e1067a07cfbc5a36abad3752fafe4c79e06db1bb преди 6727b7618f49401acf373fa3ec5712e2ec52e5cf
- Linux Linux: 5.16; преди 5.16; 6.1.191 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; от 7.3 нататък
История
- 17 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-90066
- https://nvd.nist.gov/vuln/detail/CVE-2026-90066
- https://git.kernel.org/stable/c/02866f063062dcc5686445c738be003de9787250
- https://git.kernel.org/stable/c/7a96b9f6d5ba23dbce66c8a4a242effd4c01a830
- https://git.kernel.org/stable/c/98b7b2a29ae87937aa02ab9391543ef8c602cd94
- https://git.kernel.org/stable/c/626614df9080d7052fbe24dc90b5434717ab7a9f
- https://git.kernel.org/stable/c/cf839636911d8313f3ecd098329fd0b96499e4cf
- https://git.kernel.org/stable/c/6727b7618f49401acf373fa3ec5712e2ec52e5cf