Описание
In the Linux kernel, the following vulnerability has been resolved:
media: pvrusb2: fix use after free on context disconnection
Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
In the Linux kernel, the following vulnerability has been resolved:
media: pvrusb2: fix use after free on context disconnection
Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2023-52445
- https://git.kernel.org/stable/c/2cf0005d315549b8d2b940ff96a66c2a889aa795
- https://git.kernel.org/stable/c/30773ea47d41773f9611ffb4ebc9bda9d19a9e7e
- https://git.kernel.org/stable/c/3233d8bf7893550045682192cb227af7fa3defeb
- https://git.kernel.org/stable/c/437b5f57732bb4cc32cc9f8895d2010ee9ff521c
- https://git.kernel.org/stable/c/47aa8fcd5e8b5563af4042a00f25ba89bef8f33d
- https://git.kernel.org/stable/c/ded85b0c0edd8f45fec88783d7555a5b982449c1
- https://git.kernel.org/stable/c/ec3634ebe23fc3c44ebc67c6d25917300bc68c08
- https://git.kernel.org/stable/c/ec36c134dd020d28e312c2f1766f85525e747aab
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
In the Linux kernel, the following vulnerability has been resolved: m ...
Уязвимость функции pvr2_context_disconnect() в модуле drivers/media/usb/pvrusb2/pvrusb2-context.c драйвера Hauppauge WinTV-PVR USB2 ядра операционной системы Linux, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации