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vuln-cve/data/2022/49xxx/CVE-2022-49936.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-49936",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-05-01T14:05:17.255Z",
"datePublished": "2025-06-18T10:54:37.889Z",
"dateUpdated": "2026-05-11T19:09:33.668Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:09:33.668Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: core: Prevent nested device-reset calls\n\nAutomatic kernel fuzzing revealed a recursive locking violation in\nusb-storage:\n\n============================================\nWARNING: possible recursive locking detected\n5.18.0 #3 Not tainted\n--------------------------------------------\nkworker/1:3/1205 is trying to acquire lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\nbut task is already holding lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\n...\n\nstack backtrace:\nCPU: 1 PID: 1205 Comm: kworker/1:3 Not tainted 5.18.0 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_deadlock_bug kernel/locking/lockdep.c:2988 [inline]\ncheck_deadlock kernel/locking/lockdep.c:3031 [inline]\nvalidate_chain kernel/locking/lockdep.c:3816 [inline]\n__lock_acquire.cold+0x152/0x3ca kernel/locking/lockdep.c:5053\nlock_acquire kernel/locking/lockdep.c:5665 [inline]\nlock_acquire+0x1ab/0x520 kernel/locking/lockdep.c:5630\n__mutex_lock_common kernel/locking/mutex.c:603 [inline]\n__mutex_lock+0x14f/0x1610 kernel/locking/mutex.c:747\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\nusb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6109\nr871xu_dev_remove+0x21a/0x270 drivers/staging/rtl8712/usb_intf.c:622\nusb_unbind_interface+0x1bd/0x890 drivers/usb/core/driver.c:458\ndevice_remove drivers/base/dd.c:545 [inline]\ndevice_remove+0x11f/0x170 drivers/base/dd.c:537\n__device_release_driver drivers/base/dd.c:1222 [inline]\ndevice_release_driver_internal+0x1a7/0x2f0 drivers/base/dd.c:1248\nusb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627\nusb_forced_unbind_intf+0x4d/0xa0 drivers/usb/core/driver.c:1118\nusb_reset_device+0x39b/0x9a0 drivers/usb/core/hub.c:6114\n\nThis turned out not to be an error in usb-storage but rather a nested\ndevice reset attempt. That is, as the rtl8712 driver was being\nunbound from a composite device in preparation for an unrelated USB\nreset (that driver does not have pre_reset or post_reset callbacks),\nits ->remove routine called usb_reset_device() -- thus nesting one\nreset call within another.\n\nPerforming a reset as part of disconnect processing is a questionable\npractice at best. However, the bug report points out that the USB\ncore does not have any protection against nested resets. Adding a\nreset_in_progress flag and testing it will prevent such errors in the\nfuture."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/usb/core/hub.c",
"include/linux/usb.h"
],
"versions": [
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "d90419b8b8322b6924f6da9da952647f2dadc21b",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "1b29498669914c7f9afb619722421418a753d372",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "cc9a12e12808af178c600cc485338bac2e37d2a8",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "df1875084898b15cbc42f712e93d7f113ae6271b",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "c548b99e1c37db6f7df86ecfe9a1f895d6c5966e",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "d5eb850b3e8836197a38475840725260b9783e94",
"status": "affected",
"versionType": "git"
},
{
"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70",
"lessThan": "9c6d778800b921bde3bff3cff5003d1650f942d1",
"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/usb/core/hub.c",
"include/linux/usb.h"
],
"versions": [
{
"version": "2.6.27",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.27",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.9.328",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.293",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.258",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.213",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.142",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.66",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.19.8",
"lessThanOrEqual": "5.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.0",
"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": "2.6.27",
"versionEndExcluding": "4.9.328"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "4.14.293"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "4.19.258"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.4.213"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.10.142"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.15.66"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.19.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "6.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/d90419b8b8322b6924f6da9da952647f2dadc21b"
},
{
"url": "https://git.kernel.org/stable/c/1b29498669914c7f9afb619722421418a753d372"
},
{
"url": "https://git.kernel.org/stable/c/cc9a12e12808af178c600cc485338bac2e37d2a8"
},
{
"url": "https://git.kernel.org/stable/c/df1875084898b15cbc42f712e93d7f113ae6271b"
},
{
"url": "https://git.kernel.org/stable/c/abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8"
},
{
"url": "https://git.kernel.org/stable/c/c548b99e1c37db6f7df86ecfe9a1f895d6c5966e"
},
{
"url": "https://git.kernel.org/stable/c/d5eb850b3e8836197a38475840725260b9783e94"
},
{
"url": "https://git.kernel.org/stable/c/9c6d778800b921bde3bff3cff5003d1650f942d1"
}
],
"title": "USB: core: Prevent nested device-reset calls",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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