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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fix null pointer dereference in usb_put_function_instance() usb_put_function_instance() attempts to dereference fd inside fi struct to get mod in uvc_alloc_inst() error path. However, fd is not allocated until later in try_get_usb_function_instance() after allocating fi in uvc_alloc_inst() and thus guranteed to be null in error path. Fix this by adding a null check for fi->fd that returns if fd is null.
Засегнати продукти
- Linux Linux: 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 0fc54a00954f9f4c3e3d4ffa64a530685d99a39b; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 6e6736c049683380f5e20becde498986e9293ca4; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 3a9691fff79bcce95338435599df6d3ae433cfdc; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 7a4f4ca7ff32ae24807c83e2a06d62b13378d53c; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди d3a7fa61997db3bf6dadef4c1bd87a4fa782a817; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 5117f236e9e30744338b425395d55913c4500897; 0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2 преди 6e74ac5c596fd246e37eadfc354567179ccbe9aa
- Linux Linux: 3.9; преди 3.9; 5.10.270 до 5.10.*; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.51 до 6.18.*; 7.2.5 до 7.2.*; от 7.3 нататък
История
- 16 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-90019
- https://nvd.nist.gov/vuln/detail/CVE-2026-90019
- https://git.kernel.org/stable/c/0fc54a00954f9f4c3e3d4ffa64a530685d99a39b
- https://git.kernel.org/stable/c/6e6736c049683380f5e20becde498986e9293ca4
- https://git.kernel.org/stable/c/3a9691fff79bcce95338435599df6d3ae433cfdc
- https://git.kernel.org/stable/c/7a4f4ca7ff32ae24807c83e2a06d62b13378d53c
- https://git.kernel.org/stable/c/6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0
- https://git.kernel.org/stable/c/d3a7fa61997db3bf6dadef4c1bd87a4fa782a817
- https://git.kernel.org/stable/c/5117f236e9e30744338b425395d55913c4500897
- https://git.kernel.org/stable/c/6e74ac5c596fd246e37eadfc354567179ccbe9aa