An issue was discovered in ioapiclazyupdate_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.
[
{
"target": {
"function": "ioapic_lazy_update_eoi",
"file": "arch/x86/kvm/ioapic.c"
},
"id": "CVE-2020-27152-64ff7fd5",
"deprecated": false,
"digest": {
"length": 466.0,
"function_hash": "314105254345116256586908649102298540466"
},
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@77377064c3a94911339f13ce113b3abf265e06da",
"signature_version": "v1"
},
{
"target": {
"file": "arch/x86/kvm/ioapic.c"
},
"id": "CVE-2020-27152-d20dffc4",
"deprecated": false,
"digest": {
"line_hashes": [
"45536144563110657888495782316820027260",
"202220918331325056264510187994887526953",
"2590950337389672904196023042095751166",
"120450735052706235695250551464981222290",
"34562414230353453193557594826397221194",
"77672815201999837075014340418250125988",
"202064517346330057724404348019361573893"
],
"threshold": 0.9
},
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@77377064c3a94911339f13ce113b3abf265e06da",
"signature_version": "v1"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27152.json"