CVE-2020-27152

EUVD-2020-19676
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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
𝑥
< 5.9.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
buster
not-affected
sid
6.11.6-1
fixed
stretch
not-affected
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
not-affected
focal
not-affected
groovy
Fixed 5.8.0-31.33
released
trusty
ignored
xenial
not-affected
linux-aws
bionic
not-affected
focal
not-affected
groovy
Fixed 5.8.0-1014.15
released
trusty
ignored
xenial
not-affected
linux-aws-5.0
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
ignored
focal
not-affected
groovy
Fixed 5.8.0-1013.14
released
trusty
ignored
xenial
not-affected
linux-azure-4.15
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-dell300x
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp
bionic
ignored
focal
not-affected
groovy
Fixed 5.8.0-1012.12
released
trusty
dne
xenial
not-affected
linux-gcp-4.15
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gke-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-gkeop
bionic
dne
focal
not-affected
groovy
dne
trusty
dne
xenial
dne
linux-gkeop-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-hwe
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
not-affected
linux-hwe-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-hwe-5.8
bionic
dne
focal
Fixed 5.8.0-31.33~20.04.1
released
groovy
dne
trusty
dne
xenial
dne
linux-hwe-edge
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
not-affected
focal
not-affected
groovy
Fixed 5.8.0-1011.12
released
trusty
dne
xenial
not-affected
linux-lts-trusty
bionic
dne
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
focal
dne
groovy
dne
trusty
ignored
xenial
dne
linux-oem
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
ignored
linux-oem-5.10
bionic
dne
focal
not-affected
groovy
dne
trusty
dne
xenial
dne
linux-oem-5.6
bionic
dne
focal
Fixed 5.6.0-1048.52
released
groovy
dne
trusty
dne
xenial
dne
linux-oem-osp1
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle
bionic
not-affected
focal
not-affected
groovy
Fixed 5.8.0-1011.11
released
trusty
dne
xenial
not-affected
linux-oracle-5.0
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
ignored
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-oracle-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-raspi
bionic
dne
focal
not-affected
groovy
Fixed 5.8.0-1008.11
released
trusty
dne
xenial
dne
linux-raspi-5.4
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-raspi2
bionic
not-affected
focal
ignored
groovy
dne
trusty
dne
xenial
not-affected
linux-raspi2-5.3
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
dne
linux-riscv
bionic
dne
focal
not-affected
groovy
Fixed 5.8.0-10.12
released
trusty
dne
xenial
dne
linux-snapdragon
bionic
not-affected
focal
dne
groovy
dne
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/11/03/1
https://bugzilla.kernel.org/show_bug.cgi?id=208767
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da
http://www.openwall.com/lists/oss-security/2020/11/03/1
https://bugzilla.kernel.org/show_bug.cgi?id=208767
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da