VULNERABILITY

Debian: CVE-2024-56533: linux, linux-6.1 -- security update

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Debian: CVE-2024-56533: linux, linux-6.1 -- security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
12/27/2024
Created
01/14/2025
Added
01/13/2025
Modified
03/05/2025

Description

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.

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-6-1

References

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