virtio sound

About this tag
The virtio sound tag covers discussions about the virtio-snd driver, which provides audio support in virtualized environments using the virtio paravirtualized device interface. A key topic is CVE-2025-37805, a security fix addressing uninitialized work_structs in the virtio_snd driver. This bug could trigger kernel workqueue warnings and disrupt system availability in virtualized setups like KVM/QEMU and cloud hypervisors. The fix ensures that cancel_work_sync() is not called on uninitialized objects, improving driver reliability. Content focuses on Linux kernel patches, virtualization stability, and security vulnerabilities related to virtio sound.

  1. CVE-2025-37805: Fix for virtio sound driver uninitialized work_structs

    The Linux kernel has received a targeted fix for a subtle but real correctness bug in the virtio sound driver that could trigger kernel workqueue warnings and disrupt system availability in virtualized environments: CVE-2025-37805 addresses uninitialized work_structs in the virtio_snd driver so...
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    • linux kernel security advisory virtio sound work_struct
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    • Forum: Security Alerts