CVE-2025-21821 (GCVE-0-2025-21821)
Vulnerability from cvelistv5
Published
2025-02-27 20:06
Modified
2025-05-04 07:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbdev: omap: use threaded IRQ for LCD DMA
When using touchscreen and framebuffer, Nokia 770 crashes easily with:
BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000
Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs omap_udc ohci_omap ohci_hcd
CPU: 0 UID: 0 PID: 82 Comm: irq/144-ads7846 Not tainted 6.12.7-770 #2
Hardware name: Nokia 770
Call trace:
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x54/0x5c
dump_stack_lvl from __schedule_bug+0x50/0x70
__schedule_bug from __schedule+0x4d4/0x5bc
__schedule from schedule+0x34/0xa0
schedule from schedule_preempt_disabled+0xc/0x10
schedule_preempt_disabled from __mutex_lock.constprop.0+0x218/0x3b4
__mutex_lock.constprop.0 from clk_prepare_lock+0x38/0xe4
clk_prepare_lock from clk_set_rate+0x18/0x154
clk_set_rate from sossi_read_data+0x4c/0x168
sossi_read_data from hwa742_read_reg+0x5c/0x8c
hwa742_read_reg from send_frame_handler+0xfc/0x300
send_frame_handler from process_pending_requests+0x74/0xd0
process_pending_requests from lcd_dma_irq_handler+0x50/0x74
lcd_dma_irq_handler from __handle_irq_event_percpu+0x44/0x130
__handle_irq_event_percpu from handle_irq_event+0x28/0x68
handle_irq_event from handle_level_irq+0x9c/0x170
handle_level_irq from generic_handle_domain_irq+0x2c/0x3c
generic_handle_domain_irq from omap1_handle_irq+0x40/0x8c
omap1_handle_irq from generic_handle_arch_irq+0x28/0x3c
generic_handle_arch_irq from call_with_stack+0x1c/0x24
call_with_stack from __irq_svc+0x94/0xa8
Exception stack(0xc5255da0 to 0xc5255de8)
5da0: 00000001 c22fc620 00000000 00000000 c08384a8 c106fc00 00000000 c240c248
5dc0: c113a600 c3f6ec30 00000001 00000000 c22fc620 c5255df0 c22fc620 c0279a94
5de0: 60000013 ffffffff
__irq_svc from clk_prepare_lock+0x4c/0xe4
clk_prepare_lock from clk_get_rate+0x10/0x74
clk_get_rate from uwire_setup_transfer+0x40/0x180
uwire_setup_transfer from spi_bitbang_transfer_one+0x2c/0x9c
spi_bitbang_transfer_one from spi_transfer_one_message+0x2d0/0x664
spi_transfer_one_message from __spi_pump_transfer_message+0x29c/0x498
__spi_pump_transfer_message from __spi_sync+0x1f8/0x2e8
__spi_sync from spi_sync+0x24/0x40
spi_sync from ads7846_halfd_read_state+0x5c/0x1c0
ads7846_halfd_read_state from ads7846_irq+0x58/0x348
ads7846_irq from irq_thread_fn+0x1c/0x78
irq_thread_fn from irq_thread+0x120/0x228
irq_thread from kthread+0xc8/0xe8
kthread from ret_from_fork+0x14/0x28
As a quick fix, switch to a threaded IRQ which provides a stable system.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/video/fbdev/omap/lcd_dma.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "7bbbd311dd503653a2cc86d9226740883051dc92",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
},
{
"lessThan": "fb6a5edb60921887d7d10619fcdcbee9759552cb",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
},
{
"lessThan": "aa8e22cbedeb626f2a6bda0aea362353d627cd0a",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
},
{
"lessThan": "8392ea100f0b86c234c739c6662f39f0ccc0cefd",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
},
{
"lessThan": "e4b6b665df815b4841e71b72f06446884e8aad40",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/video/fbdev/omap/lcd_dma.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.129",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.79",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.13.*",
"status": "unaffected",
"version": "6.13.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.14",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.129",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.79",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.13.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: omap: use threaded IRQ for LCD DMA\n\nWhen using touchscreen and framebuffer, Nokia 770 crashes easily with:\n\n BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000\n Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs omap_udc ohci_omap ohci_hcd\n CPU: 0 UID: 0 PID: 82 Comm: irq/144-ads7846 Not tainted 6.12.7-770 #2\n Hardware name: Nokia 770\n Call trace:\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x54/0x5c\n dump_stack_lvl from __schedule_bug+0x50/0x70\n __schedule_bug from __schedule+0x4d4/0x5bc\n __schedule from schedule+0x34/0xa0\n schedule from schedule_preempt_disabled+0xc/0x10\n schedule_preempt_disabled from __mutex_lock.constprop.0+0x218/0x3b4\n __mutex_lock.constprop.0 from clk_prepare_lock+0x38/0xe4\n clk_prepare_lock from clk_set_rate+0x18/0x154\n clk_set_rate from sossi_read_data+0x4c/0x168\n sossi_read_data from hwa742_read_reg+0x5c/0x8c\n hwa742_read_reg from send_frame_handler+0xfc/0x300\n send_frame_handler from process_pending_requests+0x74/0xd0\n process_pending_requests from lcd_dma_irq_handler+0x50/0x74\n lcd_dma_irq_handler from __handle_irq_event_percpu+0x44/0x130\n __handle_irq_event_percpu from handle_irq_event+0x28/0x68\n handle_irq_event from handle_level_irq+0x9c/0x170\n handle_level_irq from generic_handle_domain_irq+0x2c/0x3c\n generic_handle_domain_irq from omap1_handle_irq+0x40/0x8c\n omap1_handle_irq from generic_handle_arch_irq+0x28/0x3c\n generic_handle_arch_irq from call_with_stack+0x1c/0x24\n call_with_stack from __irq_svc+0x94/0xa8\n Exception stack(0xc5255da0 to 0xc5255de8)\n 5da0: 00000001 c22fc620 00000000 00000000 c08384a8 c106fc00 00000000 c240c248\n 5dc0: c113a600 c3f6ec30 00000001 00000000 c22fc620 c5255df0 c22fc620 c0279a94\n 5de0: 60000013 ffffffff\n __irq_svc from clk_prepare_lock+0x4c/0xe4\n clk_prepare_lock from clk_get_rate+0x10/0x74\n clk_get_rate from uwire_setup_transfer+0x40/0x180\n uwire_setup_transfer from spi_bitbang_transfer_one+0x2c/0x9c\n spi_bitbang_transfer_one from spi_transfer_one_message+0x2d0/0x664\n spi_transfer_one_message from __spi_pump_transfer_message+0x29c/0x498\n __spi_pump_transfer_message from __spi_sync+0x1f8/0x2e8\n __spi_sync from spi_sync+0x24/0x40\n spi_sync from ads7846_halfd_read_state+0x5c/0x1c0\n ads7846_halfd_read_state from ads7846_irq+0x58/0x348\n ads7846_irq from irq_thread_fn+0x1c/0x78\n irq_thread_fn from irq_thread+0x120/0x228\n irq_thread from kthread+0xc8/0xe8\n kthread from ret_from_fork+0x14/0x28\n\nAs a quick fix, switch to a threaded IRQ which provides a stable system."
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T07:21:52.069Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/7bbbd311dd503653a2cc86d9226740883051dc92"
},
{
"url": "https://git.kernel.org/stable/c/fb6a5edb60921887d7d10619fcdcbee9759552cb"
},
{
"url": "https://git.kernel.org/stable/c/aa8e22cbedeb626f2a6bda0aea362353d627cd0a"
},
{
"url": "https://git.kernel.org/stable/c/8392ea100f0b86c234c739c6662f39f0ccc0cefd"
},
{
"url": "https://git.kernel.org/stable/c/e4b6b665df815b4841e71b72f06446884e8aad40"
}
],
"title": "fbdev: omap: use threaded IRQ for LCD DMA",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-21821",
"datePublished": "2025-02-27T20:06:12.722Z",
"dateReserved": "2024-12-29T08:45:45.775Z",
"dateUpdated": "2025-05-04T07:21:52.069Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-21821\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-27T20:16:04.613\",\"lastModified\":\"2025-02-27T20:16:04.613\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfbdev: omap: use threaded IRQ for LCD DMA\\n\\nWhen using touchscreen and framebuffer, Nokia 770 crashes easily with:\\n\\n BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000\\n Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs omap_udc ohci_omap ohci_hcd\\n CPU: 0 UID: 0 PID: 82 Comm: irq/144-ads7846 Not tainted 6.12.7-770 #2\\n Hardware name: Nokia 770\\n Call trace:\\n unwind_backtrace from show_stack+0x10/0x14\\n show_stack from dump_stack_lvl+0x54/0x5c\\n dump_stack_lvl from __schedule_bug+0x50/0x70\\n __schedule_bug from __schedule+0x4d4/0x5bc\\n __schedule from schedule+0x34/0xa0\\n schedule from schedule_preempt_disabled+0xc/0x10\\n schedule_preempt_disabled from __mutex_lock.constprop.0+0x218/0x3b4\\n __mutex_lock.constprop.0 from clk_prepare_lock+0x38/0xe4\\n clk_prepare_lock from clk_set_rate+0x18/0x154\\n clk_set_rate from sossi_read_data+0x4c/0x168\\n sossi_read_data from hwa742_read_reg+0x5c/0x8c\\n hwa742_read_reg from send_frame_handler+0xfc/0x300\\n send_frame_handler from process_pending_requests+0x74/0xd0\\n process_pending_requests from lcd_dma_irq_handler+0x50/0x74\\n lcd_dma_irq_handler from __handle_irq_event_percpu+0x44/0x130\\n __handle_irq_event_percpu from handle_irq_event+0x28/0x68\\n handle_irq_event from handle_level_irq+0x9c/0x170\\n handle_level_irq from generic_handle_domain_irq+0x2c/0x3c\\n generic_handle_domain_irq from omap1_handle_irq+0x40/0x8c\\n omap1_handle_irq from generic_handle_arch_irq+0x28/0x3c\\n generic_handle_arch_irq from call_with_stack+0x1c/0x24\\n call_with_stack from __irq_svc+0x94/0xa8\\n Exception stack(0xc5255da0 to 0xc5255de8)\\n 5da0: 00000001 c22fc620 00000000 00000000 c08384a8 c106fc00 00000000 c240c248\\n 5dc0: c113a600 c3f6ec30 00000001 00000000 c22fc620 c5255df0 c22fc620 c0279a94\\n 5de0: 60000013 ffffffff\\n __irq_svc from clk_prepare_lock+0x4c/0xe4\\n clk_prepare_lock from clk_get_rate+0x10/0x74\\n clk_get_rate from uwire_setup_transfer+0x40/0x180\\n uwire_setup_transfer from spi_bitbang_transfer_one+0x2c/0x9c\\n spi_bitbang_transfer_one from spi_transfer_one_message+0x2d0/0x664\\n spi_transfer_one_message from __spi_pump_transfer_message+0x29c/0x498\\n __spi_pump_transfer_message from __spi_sync+0x1f8/0x2e8\\n __spi_sync from spi_sync+0x24/0x40\\n spi_sync from ads7846_halfd_read_state+0x5c/0x1c0\\n ads7846_halfd_read_state from ads7846_irq+0x58/0x348\\n ads7846_irq from irq_thread_fn+0x1c/0x78\\n irq_thread_fn from irq_thread+0x120/0x228\\n irq_thread from kthread+0xc8/0xe8\\n kthread from ret_from_fork+0x14/0x28\\n\\nAs a quick fix, switch to a threaded IRQ which provides a stable system.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7bbbd311dd503653a2cc86d9226740883051dc92\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8392ea100f0b86c234c739c6662f39f0ccc0cefd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aa8e22cbedeb626f2a6bda0aea362353d627cd0a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e4b6b665df815b4841e71b72f06446884e8aad40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fb6a5edb60921887d7d10619fcdcbee9759552cb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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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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