CVE-2024-57893 ALSA: seq: oss: Fix races at processing SysEx messages

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Fix races at processing SysEx messages OSS sequencer handles the SysEx messages split in 6 bytes packets, and ALSA sequencer OSS layer tries to combine those. It stores the data in the internal buffer and this...

CVE-2024-57893 ALSA: seq: oss: Fix races at processing SysEx messages

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Fix races at processing SysEx messages OSS sequencer handles the SysEx messages split in 6 bytes packets, and ALSA sequencer OSS layer tries to combine those. It stores the data in the internal buffer and this...

CVE-2024-57893

The CVE-2024-57893 issue affects the Linux kernel ALSA: seq: oss component, where SysEx messages split into 6-byte packets were processed by the OSS layer with a race-prone access to an internal buffer, potentially causing out-of-bounds access. A mutex-based serialization fix was introduced to gu...