fkie_cve-2022-49248
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-02-26 07:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction
AV/C deferred transaction was supported at a commit 00a7bb81c20f ("ALSA:
firewire-lib: Add support for deferred transaction") while 'deferrable'
flag can be uninitialized for non-control/notify AV/C transactions.
UBSAN reports it:
kernel: ================================================================================
kernel: UBSAN: invalid-load in /build/linux-aa0B4d/linux-5.15.0/sound/firewire/fcp.c:363:9
kernel: load of value 158 is not a valid value for type '_Bool'
kernel: CPU: 3 PID: 182227 Comm: irq/35-firewire Tainted: P OE 5.15.0-18-generic #18-Ubuntu
kernel: Hardware name: Gigabyte Technology Co., Ltd. AX370-Gaming 5/AX370-Gaming 5, BIOS F42b 08/01/2019
kernel: Call Trace:
kernel: <IRQ>
kernel: show_stack+0x52/0x58
kernel: dump_stack_lvl+0x4a/0x5f
kernel: dump_stack+0x10/0x12
kernel: ubsan_epilogue+0x9/0x45
kernel: __ubsan_handle_load_invalid_value.cold+0x44/0x49
kernel: fcp_response.part.0.cold+0x1a/0x2b [snd_firewire_lib]
kernel: fcp_response+0x28/0x30 [snd_firewire_lib]
kernel: fw_core_handle_request+0x230/0x3d0 [firewire_core]
kernel: handle_ar_packet+0x1d9/0x200 [firewire_ohci]
kernel: ? handle_ar_packet+0x1d9/0x200 [firewire_ohci]
kernel: ? transmit_complete_callback+0x9f/0x120 [firewire_core]
kernel: ar_context_tasklet+0xa8/0x2e0 [firewire_ohci]
kernel: tasklet_action_common.constprop.0+0xea/0xf0
kernel: tasklet_action+0x22/0x30
kernel: __do_softirq+0xd9/0x2e3
kernel: ? irq_finalize_oneshot.part.0+0xf0/0xf0
kernel: do_softirq+0x75/0xa0
kernel: </IRQ>
kernel: <TASK>
kernel: __local_bh_enable_ip+0x50/0x60
kernel: irq_forced_thread_fn+0x7e/0x90
kernel: irq_thread+0xba/0x190
kernel: ? irq_thread_fn+0x60/0x60
kernel: kthread+0x11e/0x140
kernel: ? irq_thread_check_affinity+0xf0/0xf0
kernel: ? set_kthread_struct+0x50/0x50
kernel: ret_from_fork+0x22/0x30
kernel: </TASK>
kernel: ================================================================================
This commit fixes the bug. The bug has no disadvantage for the non-
control/notify AV/C transactions since the flag has an effect for AV/C
response with INTERIM (0x0f) status which is not used for the transactions
in AV/C general specification.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction\n\nAV/C deferred transaction was supported at a commit 00a7bb81c20f (\"ALSA:\nfirewire-lib: Add support for deferred transaction\") while \u0027deferrable\u0027\nflag can be uninitialized for non-control/notify AV/C transactions.\nUBSAN reports it:\n\nkernel: ================================================================================\nkernel: UBSAN: invalid-load in /build/linux-aa0B4d/linux-5.15.0/sound/firewire/fcp.c:363:9\nkernel: load of value 158 is not a valid value for type \u0027_Bool\u0027\nkernel: CPU: 3 PID: 182227 Comm: irq/35-firewire Tainted: P OE 5.15.0-18-generic #18-Ubuntu\nkernel: Hardware name: Gigabyte Technology Co., Ltd. AX370-Gaming 5/AX370-Gaming 5, BIOS F42b 08/01/2019\nkernel: Call Trace:\nkernel: \u003cIRQ\u003e\nkernel: show_stack+0x52/0x58\nkernel: dump_stack_lvl+0x4a/0x5f\nkernel: dump_stack+0x10/0x12\nkernel: ubsan_epilogue+0x9/0x45\nkernel: __ubsan_handle_load_invalid_value.cold+0x44/0x49\nkernel: fcp_response.part.0.cold+0x1a/0x2b [snd_firewire_lib]\nkernel: fcp_response+0x28/0x30 [snd_firewire_lib]\nkernel: fw_core_handle_request+0x230/0x3d0 [firewire_core]\nkernel: handle_ar_packet+0x1d9/0x200 [firewire_ohci]\nkernel: ? handle_ar_packet+0x1d9/0x200 [firewire_ohci]\nkernel: ? transmit_complete_callback+0x9f/0x120 [firewire_core]\nkernel: ar_context_tasklet+0xa8/0x2e0 [firewire_ohci]\nkernel: tasklet_action_common.constprop.0+0xea/0xf0\nkernel: tasklet_action+0x22/0x30\nkernel: __do_softirq+0xd9/0x2e3\nkernel: ? irq_finalize_oneshot.part.0+0xf0/0xf0\nkernel: do_softirq+0x75/0xa0\nkernel: \u003c/IRQ\u003e\nkernel: \u003cTASK\u003e\nkernel: __local_bh_enable_ip+0x50/0x60\nkernel: irq_forced_thread_fn+0x7e/0x90\nkernel: irq_thread+0xba/0x190\nkernel: ? irq_thread_fn+0x60/0x60\nkernel: kthread+0x11e/0x140\nkernel: ? irq_thread_check_affinity+0xf0/0xf0\nkernel: ? set_kthread_struct+0x50/0x50\nkernel: ret_from_fork+0x22/0x30\nkernel: \u003c/TASK\u003e\nkernel: ================================================================================\n\nThis commit fixes the bug. The bug has no disadvantage for the non-\ncontrol/notify AV/C transactions since the flag has an effect for AV/C\nresponse with INTERIM (0x0f) status which is not used for the transactions\nin AV/C general specification."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: firewire-lib: corrige el indicador no inicializado para las transacciones diferidas de AV/C. Las transacciones diferidas de AV/C ten\u00edan soporte en una confirmaci\u00f3n 00a7bb81c20f (\"ALSA: firewire-lib: agregar soporte para transacciones diferidas\"), mientras que el indicador \u0027diferible\u0027 se puede desinicializar para transacciones AV/C que no sean de control/notificaci\u00f3n. UBSAN lo informa: kernel: == ... 5/AX370-Gaming 5, BIOS F42b 01/08/2019 n\u00facleo: Seguimiento de llamadas: n\u00facleo: kernel: show_stack+0x52/0x58 kernel: dump_stack_lvl+0x4a/0x5f kernel: dump_stack+0x10/0x12 kernel: ubsan_epilogue+0x9/0x45 kernel: __ubsan_handle_load_invalid_value.cold+0x44/0x49 kernel: fcp_response.part.0.cold+0x1a/0x2b [snd_firewire_lib] kernel: fcp_response+0x28/0x30 [snd_firewire_lib] kernel: fw_core_handle_request+0x230/0x3d0 [firewire_core] kernel: handle_ar_packet+0x1d9/0x200 [firewire_ohci] kernel: ? handle_ar_packet+0x1d9/0x200 [firewire_ohci] kernel: ? transmit_complete_callback+0x9f/0x120 [firewire_core] kernel: ar_context_tasklet+0xa8/0x2e0 [firewire_ohci] kernel: tasklet_action_common.constprop.0+0xea/0xf0 kernel: tasklet_action+0x22/0x30 kernel: __do_softirq+0xd9/0x2e3 kernel: ? irq_finalize_oneshot.part.0+0xf0/0xf0 kernel: do_softirq+0x75/0xa0 kernel: kernel: kernel: __local_bh_enable_ip+0x50/0x60 kernel: irq_forced_thread_fn+0x7e/0x90 kernel: irq_thread+0xba/0x190 kernel: ? irq_thread_fn+0x60/0x60 kernel: kthread+0x11e/0x140 kernel: ? irq_thread_check_affinity+0xf0/0xf0 kernel: ? set_kthread_struct+0x50/0x50 kernel: ret_from_fork+0x22/0x30 kernel: kernel: ================================================================================\nEsta confirmaci\u00f3n corrige el error. El error no tiene ninguna desventaja para las transacciones AV/C que no son de control/notificaci\u00f3n, ya que el indicador tiene un efecto para la respuesta AV/C con estado INTERIM (0x0f), que no se utiliza para las transacciones en la especificaci\u00f3n general AV/C."
}
],
"id": "CVE-2022-49248",
"lastModified": "2025-02-26T07:01:01.727",
"metrics": {},
"published": "2025-02-26T07:01:01.727",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/39d2c4a33dc1b4402cec68a3c8f82c6588b6edce"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/60e5d391805d70458a01998de00d0c28cba40bf3"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7025f40690a235a118c87674cfb93072694aa66d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7e6f5786621df060f8296f074efd275eaf20361a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/99582e4b19f367fa95bdd150b3034d7ce8113342"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b2b65c9013dc28836d82e25d0f0c94d794a14aba"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/bf0cd60b7e33cf221fbe1114e4acb2c828b0af0d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/d07e4bbaff6fbba6f70c04b092ea7d9afcdf392e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/eab74c41612083bd627b60da650e19234e4f1051"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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