CVE-2021-47173
- Source
- https://cve.org/CVERecord?id=CVE-2021-47173
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47173.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-47173
- Downstream
- Related
- Published
- 2024-03-25T10:15:09.010Z
- Modified
- 2026-03-15T22:43:07.038362Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
misc/uss720: fix memory leak in uss720_probe
uss720probe forgets to decrease the refcount of usbdev in uss720probe. Fix this by decreasing the refcount of usbdev by usbputdev.
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>] usballocdev+0x32/0x450 drivers/usb/core/usb.c:582 [<ffffffff82b98441>] hubportconnect drivers/usb/core/hub.c:5129 [inline] [<ffffffff82b98441>] hubportconnectchange drivers/usb/core/hub.c:5363 [inline] [<ffffffff82b98441>] portevent drivers/usb/core/hub.c:5509 [inline] [<ffffffff82b98441>] hubevent+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [<ffffffff81259229>] processonework+0x2c9/0x600 kernel/workqueue.c:2275 [<ffffffff81259b19>] workerthread+0x59/0x5d0 kernel/workqueue.c:2421 [<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<ffffffff8100227f>] retfromfork+0x1f/0x30 arch/x86/entry/entry_64.S:294
- References
-
- https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55
- https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391
- https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42
- https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096
- https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364
- https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de
- https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88
- https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "2.6.14"
},
{
"fixed": "4.4.271"
}
]
},
{
"events": [
{
"introduced": "4.5"
},
{
"fixed": "4.9.271"
}
]
},
{
"events": [
{
"introduced": "4.10"
},
{
"fixed": "4.14.235"
}
]
},
{
"events": [
{
"introduced": "4.15"
},
{
"fixed": "4.19.193"
}
]
},
{
"events": [
{
"introduced": "4.20"
},
{
"fixed": "5.4.124"
}
]
},
{
"events": [
{
"introduced": "5.5"
},
{
"fixed": "5.10.42"
}
]
},
{
"events": [
{
"introduced": "5.11"
},
{
"fixed": "5.12.9"
}
]
}
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47173.json"