{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49301", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.535Z", "datePublished": "2025-02-26T02:10:36.072Z", "dateUpdated": "2026-05-11T18:57:01.505Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:57:01.505Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in usb_read8() and friends\n\nWhen r8712_usbctrl_vendorreq() returns negative, 'data' in\nusb_read{8,16,32} will not be initialized.\n\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline]\nBUG: KMSAN: uninit-value in string+0x4ec/0x6f0 lib/vsprintf.c:725\n string_nocheck lib/vsprintf.c:643 [inline]\n string+0x4ec/0x6f0 lib/vsprintf.c:725\n vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\n va_format lib/vsprintf.c:1704 [inline]\n pointer+0x18e6/0x1f70 lib/vsprintf.c:2443\n vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810\n vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\n vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\n dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604\n dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615\n __dev_printk+0x3be/0x440 drivers/base/core.c:4627\n _dev_info+0x1ea/0x22f drivers/base/core.c:4673\n r871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\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+0x6c7/0x1350 drivers/base/dd.c:621\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+0x1b91/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5363 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]\n port_event drivers/usb/core/hub.c:5665 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289\n worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436\n kthread+0x3c7/0x500 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30\n\nLocal variable data created at:\n usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33\n r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/staging/rtl8712/usb_ops.c" ], "versions": [ { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "58762f1c63c75cbe1dc393eed3c9cf8e38310ca1", "status": "affected", "versionType": "git" }, { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "33ef21d55418ab6a62a63fd550b2dbe297433372", "status": "affected", "versionType": "git" }, { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "95b0f54f8a898072a2810c05fab34d971f23a612", "status": "affected", "versionType": "git" }, { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d7ed3c85da0b230bcdf5329acfe012ed093f3daa", "status": "affected", "versionType": "git" }, { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "de075af8c404f7d59ed34df230aedd9f645fb846", "status": "affected", "versionType": "git" }, { "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d1b57669732d09da7e13ef86d058dab0cd57f6e0", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/staging/rtl8712/usb_ops.c" ], "versions": [ { "version": "2.6.37", "status": "affected" }, { "version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.122", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.47", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.15", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18.4", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.4.198" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.10.122" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.15.47" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.17.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.18.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.19" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/58762f1c63c75cbe1dc393eed3c9cf8e38310ca1" }, { "url": "https://git.kernel.org/stable/c/33ef21d55418ab6a62a63fd550b2dbe297433372" }, { "url": "https://git.kernel.org/stable/c/95b0f54f8a898072a2810c05fab34d971f23a612" }, { "url": "https://git.kernel.org/stable/c/d7ed3c85da0b230bcdf5329acfe012ed093f3daa" }, { "url": "https://git.kernel.org/stable/c/de075af8c404f7d59ed34df230aedd9f645fb846" }, { "url": "https://git.kernel.org/stable/c/d1b57669732d09da7e13ef86d058dab0cd57f6e0" } ], "title": "staging: rtl8712: fix uninit-value in usb_read8() and friends", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "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-2022-49301", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:44:44.311879Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-908", "description": "CWE-908 Use of Uninitialized Resource" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:46:59.120Z" } } ] } }