CVE-2020-27152

low-risk
Published 2020-11-06

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

Mailing List http://www.openwall.com/lists/oss-security/2020/11/03/1
Exploit https://bugzilla.kernel.org/show_bug.cgi?id=208767
Mailing List https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77...
Mailing List http://www.openwall.com/lists/oss-security/2020/11/03/1
Exploit https://bugzilla.kernel.org/show_bug.cgi?id=208767
Mailing List https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal