CVE-2020-27152 — Infinite Loop in Kernel

CWE-835 — Infinite Loop14 documents10 sources
Severity
5.5MEDIUMNVD
OSV5.4
EPSS
0.0%
top 91.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelDebian LinuxPaloalto Pan-os+1 more
Timeline
PublishedNov 6
Latest updateFeb 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶NVDlinux/linux_kernel< 5.9.2
▶Debianlinux/linux_kernel< 5.9.6-1+3
▶debiandebian/linux< linux 5.9.6-1 (bookworm)
▶Palo Altopaloalto/pan-os

Patches

Patch: www.openwall.com ↗Patch: git.kernel.org ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-pfwq-4xp5-gp3h: An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic↗2022-05-24
▶
OSV
linux-oem-5.6 vulnerabilities↗2021-02-25
▶
OSV
CVE-2020-27152: An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic↗2020-11-06
▶
Kernel
KVM: ioapic: break infinite recursion on lazy EOI↗2020-10-24
▶

📋Vendor Advisories

7
Palo Alto
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS↗2024-02-14
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2021-02-25
▶
Ubuntu
Linux kernel regression↗2020-12-13
▶
Ubuntu
Linux kernel vulnerabilities↗2020-12-02
▶
Microsoft
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 trigge↗2020-11-10
▶

💬Community

2
Bugzilla
CVE-2020-27152 Kernel: KVM: host stack overflow due to lazy update IOAPIC↗2020-10-16
▶
Bugzilla
CVE-2020-27152 kernel: KVM: host stack overflow due to lazy update IOAPIC [fedora-all]↗2020-10-16
▶