In the Linux kernel, the following vulnerability has been resolved:
fbdev: smscufx: Fix several use-after-free bugs
Several types of UAFs can occur when physically removing a USB device.
Adds ufxopsdestroy() function to .fbdestroy of fbops, and in this function, there is krefput() that finally calls ufxfree().
This fix prevents multiple UAFs.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50767.json",
"cna_assigner": "Linux"
}