CVE-2021-47171
N/A
N/A
Summary
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 200dbfcad8011e50c3cec269ed7b980836eeb1fa | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 22c840596af0c09068b6cf948616e6496e59e07f | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 9e6a3eccb28779710cbbafc4f4258d92509c6d07 | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < b95fb96e6339e34694dd578fb6bde3575b01af17 | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 635ac38b36255d3cfb8312cf7c471334f4d537e0 | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 70c886ac93f87ae7214a0c69151a28a8075dd95b | affected |
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57 < 46a8b29c6306d8bbfd92b614ef65a47c900d8e70 | affected |
| Linux | Linux | 2.6.34 | affected |
| Linux | Linux | 0 < 2.6.34 | unaffected |
| Linux | Linux | 4.4.271 <= 4.4.* | unaffected |
| Linux | Linux | 4.9.271 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.235 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.193 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.124 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.42 <= 5.10.* | unaffected |
| Linux | Linux | 5.12.9 <= 5.12.* | unaffected |
| Linux | Linux | 5.13 <= * | unaffected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
- https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
- https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
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