kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24122.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "5.14"
},
{
"last_affected": "5.16.4"
}
],
"source": "DESCRIPTION"
}
]
}
]
}{
"extracted_events": [
{
"range": [
{
"fixed": "f9d87929d451d3e649699d0f1d74f71f77ad38f5"
}
],
"source": "REFERENCES_COMMIT"
}
]
}