Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe() sp_usb_phy_probe() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1, < 6.1.9 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/17eee264ef386ef30a69dd70e36f29893b85c170Patch
- https://git.kernel.org/stable/c/d838b5c99bcecd593b4710a93fce8fdbf122395bPatch
FAQ
What is CVE-2022-49756?
CVE-2022-49756 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe() sp_usb_phy_probe() will call platform_get_resource_byname() ...
How severe is CVE-2022-49756?
CVE-2022-49756 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-2022-49756?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.