gsd-2021-47173
Vulnerability from gsd
Modified
2024-04-03 05:03
Details
In the Linux kernel, the following vulnerability has been resolved:
misc/uss720: fix memory leak in uss720_probe
uss720_probe forgets to decrease the refcount of usbdev in uss720_probe.
Fix this by decreasing the refcount of usbdev by usb_put_dev.
BUG: memory leak
unreferenced object 0xffff888101113800 (size 2048):
comm "kworker/0:1", pid 7, jiffies 4294956777 (age 28.870s)
hex dump (first 32 bytes):
ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1...........
00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................
backtrace:
[<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline]
[<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline]
[<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582
[<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline]
[<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
[<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline]
[<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591
[<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275
[<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421
[<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Aliases
{
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-47173"
],
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc/uss720: fix memory leak in uss720_probe\n\nuss720_probe forgets to decrease the refcount of usbdev in uss720_probe.\nFix this by decreasing the refcount of usbdev by usb_put_dev.\n\nBUG: memory leak\nunreferenced object 0xffff888101113800 (size 2048):\n comm \"kworker/0:1\", pid 7, jiffies 4294956777 (age 28.870s)\n hex dump (first 32 bytes):\n ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1...........\n 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................\n backtrace:\n [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294",
"id": "GSD-2021-47173",
"modified": "2024-04-03T05:03:55.004555Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@kernel.org",
"ID": "CVE-2021-47173",
"STATE": "PUBLIC"
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"affects": {
"vendor": {
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{
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
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{
"version_affected": "\u003c",
"version_name": "0f36163d3abe",
"version_value": "5f46b2410db2"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
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"versions": [
{
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"version": "2.6.14"
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{
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"status": "unaffected",
"version": "0",
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{
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"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc/uss720: fix memory leak in uss720_probe\n\nuss720_probe forgets to decrease the refcount of usbdev in uss720_probe.\nFix this by decreasing the refcount of usbdev by usb_put_dev.\n\nBUG: memory leak\nunreferenced object 0xffff888101113800 (size 2048):\n comm \"kworker/0:1\", pid 7, jiffies 4294956777 (age 28.870s)\n hex dump (first 32 bytes):\n ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1...........\n 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................\n backtrace:\n [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"
}
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"lang": "eng",
"value": "n/a"
}
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}
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"name": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391",
"refsource": "MISC",
"url": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"
},
{
"name": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42",
"refsource": "MISC",
"url": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"
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{
"name": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364",
"refsource": "MISC",
"url": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"
},
{
"name": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a",
"refsource": "MISC",
"url": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"
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{
"name": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88",
"refsource": "MISC",
"url": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"
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{
"name": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55",
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"url": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"
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"url": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"
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}
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},
"nvd.nist.gov": {
"cve": {
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc/uss720: fix memory leak in uss720_probe\n\nuss720_probe forgets to decrease the refcount of usbdev in uss720_probe.\nFix this by decreasing the refcount of usbdev by usb_put_dev.\n\nBUG: memory leak\nunreferenced object 0xffff888101113800 (size 2048):\n comm \"kworker/0:1\", pid 7, jiffies 4294956777 (age 28.870s)\n hex dump (first 32 bytes):\n ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1...........\n 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................\n backtrace:\n [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc/uss720: corrige la p\u00e9rdida de memoria en uss720_probe uss720_probe olvida disminuir el recuento de usbdev en uss720_probe. Solucione este problema disminuyendo el recuento de usbdev por usb_put_dev. ERROR: p\u00e9rdida de memoria, objeto sin referencia 0xffff888101113800 (tama\u00f1o 2048): comunicaci\u00f3n \"kworker/0:1\", pid 7, jiffies 4294956777 (edad 28,870 s) volcado hexadecimal (primeros 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1.......... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................. ... seguimiento: [] kmalloc include/linux/slab.h:554 [en l\u00ednea] [] kzalloc include/linux/slab.h:684 [en l\u00ednea] [] usb_alloc_dev+0x32/ 0x450 controladores/usb/core/usb.c:582 [] hub_port_connect drivers/usb/core/hub.c:5129 [en l\u00ednea] [] hub_port_connect_change drivers/usb/core/hub.c:5363 [ en l\u00ednea] [] port_event drivers/usb/core/hub.c:5509 [en l\u00ednea] [] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [] Process_one_work+ 0x2c9/0x600 kernel/workqueue.c:2275 [] trabajador_thread+0x59/0x5d0 kernel/workqueue.c:2421 [] kthread+0x178/0x1b0 kernel/kthread.c:292 [ ] ret_from_fork +0x1f/0x30 arco/x86/entrada/entrada_64.S:294"
}
],
"id": "CVE-2021-47173",
"lastModified": "2024-03-25T13:47:14.087",
"metrics": {},
"published": "2024-03-25T10:15:09.010",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de"
}
],
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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