CVE-2020-27152
CVSS v3
5.5
MEDIUM
EPSS Score
0.6 %
exploit probability, as of 2026-10-18
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- kernel-abi-whitelistsAlmaLinux:8all versions · fixed in 4.18.0-240.22.1.el8_3and 1 other package
Vendor advisories
Kernel: KVM: host stack overflow due to lazy update IOAPIC
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Red Hat Security Advisory: kernel-rt security and bug fix update
Description
An issue was discovered in ioapic_lazy_update_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.
Technical details
- Published
- 2020-11-06
Frequently asked questions
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Same product first, then the same vendor advisory and the same publication week.