Описание
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usx2y: Use snd_card_free_when_closed() at disconnection
The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup.
An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usx2y: Use snd_card_free_when_closed() at disconnection
The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup.
An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2024-56533
- https://git.kernel.org/stable/c/24fe9f7ca83ec9acf765339054951f5cd9ae5c5d
- https://git.kernel.org/stable/c/7bd8838c0ea886679a32834fdcacab296d072fbe
- https://git.kernel.org/stable/c/befcca1777525e37c659b4129d8ac7463b07ef67
- https://git.kernel.org/stable/c/dafb28f02be407e07a6f679e922a626592b481b0
- https://git.kernel.org/stable/c/e07605d855c4104d981653146a330ea48f6266ed
- https://git.kernel.org/stable/c/e869642a77a9b3b98b0ab2c8fec7af4385140909
- https://git.kernel.org/stable/c/ffbfc6c4330fc233698529656798bee44fea96f5
EPSS
CVE ID
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup. An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup. An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup. An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.
In the Linux kernel, the following vulnerability has been resolved: A ...
Уязвимость компонента ALSA ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании
EPSS