An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. The backend allocation (aka be-alloc) mode of the drmxenfront drivers was not meant to be a supported configuration, but this wasn't stated accordingly in its support status entry.
[
{
"events": [
{
"introduced": "4.18"
},
{
"last_affected": "5.10.16"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "32"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26934.json"