Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.13, < 4.4.290 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212Patch
- https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7Patch
- https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65dbPatch
- https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329Patch
- https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Patch
- https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99aPatch
- https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Patch
- https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873Patch
- https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212Patch
- https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7Patch
- https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65dbPatch
- https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329Patch
- https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Patch
- https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99aPatch
- https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Patch
FAQ
What is CVE-2021-47442?
CVE-2021-47442 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free ...
How severe is CVE-2021-47442?
CVE-2021-47442 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47442?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.