Revert "ALSA: firewire-lib: operate for period elapse event in process context"
In the Linux kernel, the following vulnerability has been resolved: Revert "ALSA: firewire-lib: operate for period elapse event in process context" Commit 7ba5ca32fe6e ("ALSA: firewire-lib: operate for period elapse event in process context") removed the process context workqueue from amdtp_domain_stream_pcm_pointer() and update_pcm_pointers() to remove its overhead. With RME Fireface 800, this lead to a regression since Kernels 5.14.0, causing an AB/BA deadlock competition for the substream lock with eventual system freeze under ALSA operation: thread 0: * (lock A) acquire substream lock by snd_pcm_stream_lock_irq() in snd_pcm_status64() * (lock B) wait for tasklet to finish by calling tasklet_unlock_spin_wait() in tasklet_disable_in_atomic() in ohci_flush_iso_completions() of ohci.c thread 1: * (lock B) enter tasklet * (lock A) attempt to acquire substream lock, waiting for it to be released: snd_pcm_stream_lock_irqsave() in snd_pcm_period_elapsed() in update_pcm_pointers() in process_ctx_payloads() in process_rx_packets() of amdtp-stream.c ? tasklet_unlock_spin_wait ohci_flush_iso_completions firewire_ohci amdtp_domain_stream_pcm_pointer snd_firewire_lib snd_pcm_update_hw_ptr0 snd_pcm snd_pcm_status64 snd_pcm ? native_queued_spin_lock_slowpath _raw_spin_lock_irqsave snd_pcm_period_elapsed snd_pcm process_rx_packets snd_firewire_lib irq_target_callback snd_firewire_lib handle_it_packet firewire_ohci context_tasklet firewire_ohci Restore the process context work queue to pre
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.165, 6.1.104, 6.10.4, 6.6.45
- CVEs
- CVE-2024-42274
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 13:28 UTC · Revision 1
Source evidence
Revert "ALSA: firewire-lib: operate for period elapse event in process context"
core-osv · Original sourcePublished 17 Aug 2024, 08:54 UTC
In the Linux kernel, the following vulnerability has been resolved: Revert "ALSA: firewire-lib: operate for period elapse event in process context" Commit 7ba5ca32fe6e ("ALSA: firewire-lib: operate for period elapse event in process context") removed the process context workqueue from amdtp_domain_stream_pcm_pointer() and update_pcm_pointers() to remove its overhead. With RME Fireface 800, this lead to a regression since Kernels 5.14.0, causing an AB/BA deadlock competition for the substream lock with eventual system freeze under ALSA operation: thread 0: * (lock A) acquire substream lock by snd_pcm_stream_lock_irq() in snd_pcm_status64() * (lock B) wait for tasklet to finish by calling tasklet_unlock_spin_wait() in tasklet_disable_in_atomic() in ohci_flush_iso_completions() of ohci.c thread 1: * (lock B) enter tasklet * (lock A) attempt to acquire substream lock, waiting for it to be released: snd_pcm_stream_lock_irqsave() in snd_pcm_period_elapsed() in update_pcm_pointers() in process_ctx_payloads() in process_rx_packets() of amdtp-stream.c ? tasklet_unlock_spin_wait ohci_flush_iso_completions firewire_ohci amdtp_domain_stream_pcm_pointer snd_firewire_lib snd_pcm_update_hw_ptr0 snd_pcm snd_pcm_status64 snd_pcm ? native_queued_spin_lock_slowpath _raw_spin_lock_irqsave snd_pcm_period_elapsed snd_pcm process_rx_packets snd_firewire_lib irq_target_callback snd_firewire_lib handle_it_packet firewire_ohci context_tasklet firewire_ohci Restore the process context work queue to pre
osv:CVE-2024-42274
Kernel
Fixed versions: 5.15.165, 6.1.104, 6.6.45, 6.10.4
Complete source record
{
"id": "42bcd65b8cec65a9d08c72007693c8131548f741137660624c82fc03ff507996",
"url": "https://osv.dev/vulnerability/CVE-2024-42274",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Revert \"ALSA: firewire-lib: operate for period elapse event in process context\"",
"summary": "In the Linux kernel, the following vulnerability has been resolved: Revert \"ALSA: firewire-lib: operate for period elapse event in process context\" Commit 7ba5ca32fe6e (\"ALSA: firewire-lib: operate for period elapse event in process context\") removed the process context workqueue from amdtp_domain_stream_pcm_pointer() and update_pcm_pointers() to remove its overhead. With RME Fireface 800, this lead to a regression since Kernels 5.14.0, causing an AB/BA deadlock competition for the substream lock with eventual system freeze under ALSA operation: thread 0: * (lock A) acquire substream lock by snd_pcm_stream_lock_irq() in snd_pcm_status64() * (lock B) wait for tasklet to finish by calling tasklet_unlock_spin_wait() in tasklet_disable_in_atomic() in ohci_flush_iso_completions() of ohci.c thread 1: * (lock B) enter tasklet * (lock A) attempt to acquire substream lock, waiting for it to be released: snd_pcm_stream_lock_irqsave() in snd_pcm_period_elapsed() in update_pcm_pointers() in process_ctx_payloads() in process_rx_packets() of amdtp-stream.c ? tasklet_unlock_spin_wait ohci_flush_iso_completions firewire_ohci amdtp_domain_stream_pcm_pointer snd_firewire_lib snd_pcm_update_hw_ptr0 snd_pcm snd_pcm_status64 snd_pcm ? native_queued_spin_lock_slowpath _raw_spin_lock_irqsave snd_pcm_period_elapsed snd_pcm process_rx_packets snd_firewire_lib irq_target_callback snd_firewire_lib handle_it_packet firewire_ohci context_tasklet firewire_ohci Restore the process context work queue to pre",
"evidence": "osv:CVE-2024-42274",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.15.165",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.104",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.45",
"evidence": "/affected/1/ranges"
},
{
"value": "6.10.4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2024-42274",
"aliases": [
"CVE-2024-42274"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
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},
{
"fixed": "b239a37d68e8bc59f9516444da222841e3b13ba9"
},
{
"fixed": "f5043e69aeb2786f32e84132817a007a6430aa7d"
},
{
"fixed": "36c255db5a25edd42d1aca48e38b8e95ee5fd9ef"
},
{
"fixed": "3dab73ab925a51ab05543b491bf17463a48ca323"
}
]
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42274.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.14.0"
},
{
"fixed": "5.15.165"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
},
{
"fixed": "6.1.104"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.6.45"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
},
{
"fixed": "6.10.4"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42274.json"
}
}
],
"modified": "2026-10-28T02:30:35.914425669Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/36c255db5a25edd42d1aca48e38b8e95ee5fd9ef",
"https://git.kernel.org/stable/c/3dab73ab925a51ab05543b491bf17463a48ca323",
"https://git.kernel.org/stable/c/7c07220cf634002f93a87ca2252a32766850f2d1",
"https://git.kernel.org/stable/c/b239a37d68e8bc59f9516444da222841e3b13ba9",
"https://git.kernel.org/stable/c/f5043e69aeb2786f32e84132817a007a6430aa7d",
"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42274.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-42274",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42274.json"
}
},
"related_cves": [
{
"value": "CVE-2024-42274",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 503118,
"published_at": "2024-08-17T08:54:28.169+00:00"
}