CVE-2022-49298 (GCVE-0-2022-49298)
Vulnerability from cvelistv5 – Published: 2025-02-26 02:01 – Updated: 2026-05-11 18:56
VLAI
EPSS
VEX
Title
staging: rtl8712: fix uninit-value in r871xu_drv_init()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8712: fix uninit-value in r871xu_drv_init()
When 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0,
'mac[6]' will not be initialized.
BUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541
r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541
usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396
really_probe+0x653/0x14b0 drivers/base/dd.c:596
__driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752
driver_probe_device drivers/base/dd.c:782 [inline]
__device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899
bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427
__device_attach+0x593/0x8e0 drivers/base/dd.c:970
device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017
bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
device_add+0x1fff/0x26e0 drivers/base/core.c:3405
usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293
really_probe+0x653/0x14b0 drivers/base/dd.c:596
__driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752
driver_probe_device drivers/base/dd.c:782 [inline]
__device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899
bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427
__device_attach+0x593/0x8e0 drivers/base/dd.c:970
device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017
bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
device_add+0x1fff/0x26e0 drivers/base/core.c:3405
usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5358 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742
process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307
worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454
kthread+0x3c7/0x500 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
Local variable mac created at:
r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394
usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396
KMSAN: uninit-value in r871xu_drv_init
https://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:44 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 0b7371a22489cbb2e8e826ca03fb5ce92afb04fe
(git)
Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 277faa442fe0c59f418ac53f47a78e1266addd65 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 52a0d88c328098b4e9fb8f2f3877fec0eff4104b (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < ff727ab0b7d7a56b5ef281f12abd00c4b85894e9 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < f36e754a1f0bafb9feeea63463de78080acb6de0 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 76a964ad0ea8f2b10abd69a7532e174a28258283 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 70df04433fd351ba72bc635bd0b5fe443d9ac964 (git) Affected: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef , < 0458e5428e5e959d201a40ffe71d762a79ecedc4 (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.37
Unaffected: 0 , < 2.6.37 (semver) Unaffected: 4.9.318 , ≤ 4.9.* (semver) Unaffected: 4.14.283 , ≤ 4.14.* (semver) Unaffected: 4.19.247 , ≤ 4.19.* (semver) Unaffected: 5.4.198 , ≤ 5.4.* (semver) Unaffected: 5.10.122 , ≤ 5.10.* (semver) Unaffected: 5.15.47 , ≤ 5.15.* (semver) Unaffected: 5.17.15 , ≤ 5.17.* (semver) Unaffected: 5.18.4 , ≤ 5.18.* (semver) Unaffected: 5.19 , ≤ * (original_commit_for_fix) |
guessed |
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"scope": "UNCHANGED",
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{
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"version": "5.18.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"versionEndExcluding": "4.9.318",
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},
{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in r871xu_drv_init()\n\nWhen \u0027tmpU1b\u0027 returns from r8712_read8(padapter, EE_9346CR) is 0,\n\u0027mac[6]\u0027 will not be initialized.\n\nBUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\n r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5358 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]\n port_event drivers/usb/core/hub.c:5660 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307\n worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454\n kthread+0x3c7/0x500 kernel/kthread.c:377\n ret_from_fork+0x1f/0x30\n\nLocal variable mac created at:\n r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T18:56:59.214Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/0b7371a22489cbb2e8e826ca03fb5ce92afb04fe"
},
{
"url": "https://git.kernel.org/stable/c/277faa442fe0c59f418ac53f47a78e1266addd65"
},
{
"url": "https://git.kernel.org/stable/c/a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2"
},
{
"url": "https://git.kernel.org/stable/c/52a0d88c328098b4e9fb8f2f3877fec0eff4104b"
},
{
"url": "https://git.kernel.org/stable/c/ff727ab0b7d7a56b5ef281f12abd00c4b85894e9"
},
{
"url": "https://git.kernel.org/stable/c/f36e754a1f0bafb9feeea63463de78080acb6de0"
},
{
"url": "https://git.kernel.org/stable/c/76a964ad0ea8f2b10abd69a7532e174a28258283"
},
{
"url": "https://git.kernel.org/stable/c/70df04433fd351ba72bc635bd0b5fe443d9ac964"
},
{
"url": "https://git.kernel.org/stable/c/0458e5428e5e959d201a40ffe71d762a79ecedc4"
}
],
"title": "staging: rtl8712: fix uninit-value in r871xu_drv_init()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-49298",
"datePublished": "2025-02-26T02:01:27.111Z",
"dateReserved": "2025-02-26T01:49:39.302Z",
"dateUpdated": "2026-05-11T18:56:59.214Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2022-49298",
"date": "2026-09-14",
"epss": "0.00263",
"percentile": "0.18164"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2022-49298\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:01:06.630\",\"lastModified\":\"2026-06-17T05:17:38.277\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nstaging: rtl8712: fix uninit-value in r871xu_drv_init()\\n\\nWhen \u0027tmpU1b\u0027 returns from r8712_read8(padapter, EE_9346CR) is 0,\\n\u0027mac[6]\u0027 will not be initialized.\\n\\nBUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\\n r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\\n driver_probe_device drivers/base/dd.c:782 [inline]\\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\\n driver_probe_device drivers/base/dd.c:782 [inline]\\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\\n usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566\\n hub_port_connect drivers/usb/core/hub.c:5358 [inline]\\n hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]\\n port_event drivers/usb/core/hub.c:5660 [inline]\\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742\\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307\\n worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454\\n kthread+0x3c7/0x500 kernel/kthread.c:377\\n ret_from_fork+0x1f/0x30\\n\\nLocal variable mac created at:\\n r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394\\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\\n\\nKMSAN: uninit-value in r871xu_drv_init\\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: staging: rtl8712: se corrige uninit-value en r871xu_drv_init(). Cuando \u0027tmpU1b\u0027 retorna de r8712_read8(padapter, EE_9346CR) como 0, \u0027mac[6]\u0027 no se inicializar\u00e1. ERROR: KMSAN: valor no inicializado en r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541 r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396 really_probe+0x653/0x14b0 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [en l\u00ednea] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238 usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293 really_probe+0x653/0x14b0 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [en l\u00ednea] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5358 [en l\u00ednea] hub_port_connect_change drivers/usb/core/hub.c:5502 [en l\u00ednea] port_event drivers/usb/core/hub.c:5660 [en l\u00ednea] hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307 worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454 kthread+0x3c7/0x500 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 Variable local mac creada en: r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396 KMSAN: valor no inicializado en r871xu_drv_init https://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/staging/rtl8712/usb_intf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"0b7371a22489cbb2e8e826ca03fb5ce92afb04fe\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"277faa442fe0c59f418ac53f47a78e1266addd65\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"52a0d88c328098b4e9fb8f2f3877fec0eff4104b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"ff727ab0b7d7a56b5ef281f12abd00c4b85894e9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"f36e754a1f0bafb9feeea63463de78080acb6de0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"76a964ad0ea8f2b10abd69a7532e174a28258283\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"70df04433fd351ba72bc635bd0b5fe443d9ac964\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\",\"lessThan\":\"0458e5428e5e959d201a40ffe71d762a79ecedc4\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/staging/rtl8712/usb_intf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.37\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.37\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.318\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.283\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.247\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.198\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.122\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.47\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.17.15\",\"lessThanOrEqual\":\"5.17.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18.4\",\"lessThanOrEqual\":\"5.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.19\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T19:44:56.175459Z\",\"id\":\"CVE-2022-49298\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.9.318\",\"matchCriteriaId\":\"0D4D4067-974D-4560-8320-22FDA399E3F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.283\",\"matchCriteriaId\":\"D6823775-2653-4644-A0D4-4E6E68F10C65\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.247\",\"matchCriteriaId\":\"B8CFA0F4-2D75-41F4-9753-87944A08B53B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.198\",\"matchCriteriaId\":\"3EC49633-14DE-4EBD-BB80-76AE2E3EABB9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.122\",\"matchCriteriaId\":\"1B42AA01-44D8-4572-95E6-FF8E374CF9C5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.47\",\"matchCriteriaId\":\"FC042EE3-4864-4325-BE0B-4BCDBF11AA61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.17.15\",\"matchCriteriaId\":\"53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.18\",\"versionEndExcluding\":\"5.18.4\",\"matchCriteriaId\":\"FA6D643C-6D6A-4821-8A8D-B5776B8F0103\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0458e5428e5e959d201a40ffe71d762a79ecedc4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b7371a22489cbb2e8e826ca03fb5ce92afb04fe\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/277faa442fe0c59f418ac53f47a78e1266addd65\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/52a0d88c328098b4e9fb8f2f3877fec0eff4104b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/70df04433fd351ba72bc635bd0b5fe443d9ac964\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/76a964ad0ea8f2b10abd69a7532e174a28258283\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f36e754a1f0bafb9feeea63463de78080acb6de0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ff727ab0b7d7a56b5ef281f12abd00c4b85894e9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-29T21:04:09+00:00",
"cve": "CVE-2022-49298",
"id": "CVE-2022-49298",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_affected": "28",
"product_status:known_not_affected": "246",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: staging: rtl8712: fix uninit-value in r871xu_drv_init()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49298.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49298\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:44:56.175459Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-908\", \"description\": \"CWE-908 Use of Uninitialized Resource\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:13:19.042Z\"}}], \"cna\": {\"title\": \"staging: rtl8712: fix uninit-value in r871xu_drv_init()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"0b7371a22489cbb2e8e826ca03fb5ce92afb04fe\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"277faa442fe0c59f418ac53f47a78e1266addd65\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"52a0d88c328098b4e9fb8f2f3877fec0eff4104b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"ff727ab0b7d7a56b5ef281f12abd00c4b85894e9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"f36e754a1f0bafb9feeea63463de78080acb6de0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"76a964ad0ea8f2b10abd69a7532e174a28258283\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"70df04433fd351ba72bc635bd0b5fe443d9ac964\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef\", \"lessThan\": \"0458e5428e5e959d201a40ffe71d762a79ecedc4\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/staging/rtl8712/usb_intf.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.37\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.37\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.318\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.283\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.247\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.122\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.47\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.15\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/staging/rtl8712/usb_intf.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/0b7371a22489cbb2e8e826ca03fb5ce92afb04fe\"}, {\"url\": \"https://git.kernel.org/stable/c/277faa442fe0c59f418ac53f47a78e1266addd65\"}, {\"url\": \"https://git.kernel.org/stable/c/a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2\"}, {\"url\": \"https://git.kernel.org/stable/c/52a0d88c328098b4e9fb8f2f3877fec0eff4104b\"}, {\"url\": \"https://git.kernel.org/stable/c/ff727ab0b7d7a56b5ef281f12abd00c4b85894e9\"}, {\"url\": \"https://git.kernel.org/stable/c/f36e754a1f0bafb9feeea63463de78080acb6de0\"}, {\"url\": \"https://git.kernel.org/stable/c/76a964ad0ea8f2b10abd69a7532e174a28258283\"}, {\"url\": \"https://git.kernel.org/stable/c/70df04433fd351ba72bc635bd0b5fe443d9ac964\"}, {\"url\": \"https://git.kernel.org/stable/c/0458e5428e5e959d201a40ffe71d762a79ecedc4\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nstaging: rtl8712: fix uninit-value in r871xu_drv_init()\\n\\nWhen \u0027tmpU1b\u0027 returns from r8712_read8(padapter, EE_9346CR) is 0,\\n\u0027mac[6]\u0027 will not be initialized.\\n\\nBUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\\n r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\\n driver_probe_device drivers/base/dd.c:782 [inline]\\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\\n driver_probe_device drivers/base/dd.c:782 [inline]\\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\\n usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566\\n hub_port_connect drivers/usb/core/hub.c:5358 [inline]\\n hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]\\n port_event drivers/usb/core/hub.c:5660 [inline]\\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742\\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307\\n worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454\\n kthread+0x3c7/0x500 kernel/kthread.c:377\\n ret_from_fork+0x1f/0x30\\n\\nLocal variable mac created at:\\n r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394\\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\\n\\nKMSAN: uninit-value in r871xu_drv_init\\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.318\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.283\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.122\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.47\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.15\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.4\", \"versionStartIncluding\": \"2.6.37\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"2.6.37\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:56:59.214Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2022-49298\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:56:59.214Z\", \"dateReserved\": \"2025-02-26T01:49:39.302Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:01:27.111Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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