UBUNTU-CVE-2021-47171
In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
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2 explicit affected versions
191 explicit affected versions
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67 explicit affected versions
28 explicit affected versions
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99 explicit affected versions
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23 explicit affected versions
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26 explicit affected versions
37 explicit affected versions
38 explicit affected versions
9 explicit affected versions
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21 explicit affected versions
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75 explicit affected versions
4 explicit affected versions
77 explicit affected versions
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4 explicit affected versions
45 explicit affected versions
20 explicit affected versions
43 explicit affected versions
1 explicit affected versions
122 explicit affected versions
92 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
23 explicit affected versions
4 explicit affected versions
10 explicit affected versions
1 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
05 / REFERENCES
Further evidence
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
- https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
- https://ubuntu.com/security/CVE-2021-47171
- https://ubuntu.com/security/notices/USN-6976-1
- https://www.cve.org/CVERecord?id=CVE-2021-47171