Security Flaw in Linux Kernel Affecting Audio Stream Management
CVE-2023-53866
What is CVE-2023-53866?
A vulnerability exists in the Linux kernel that can lead to a kernel panic when the 'panic_on_warn' flag is set and a compression stream is initiated. This issue arises due to improper management of the pcm_mutex in the audio subsystem, specifically within functions that handle connection and disconnection of audio streams. Without appropriate locking mechanisms in place, certain operations fail to maintain consistency, resulting in system instability. This flaw has been identified and addressed to prevent potential crashes in environments relying on this audio functionality.
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Affected Version(s)
Linux b7898396f4bbe160f546d0c5e9fa17cca9a7d153 < 9a9942cbdb7c3f41452f7bc4a9ff9f0b45eb3651
Linux b7898396f4bbe160f546d0c5e9fa17cca9a7d153 < 37a3eb6054d17676ce2a0bb5dd1fbf7733ecfa7d
Linux b7898396f4bbe160f546d0c5e9fa17cca9a7d153