Vulnerability in Linux Kernel
CVE-2020-27152
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.kernel.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2020/11/03/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2 (Mailing List, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27152?
- CVE-2020-27152 is a medium-severity vulnerability in Linux Kernel, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2020-11-06.
- How severe is CVE-2020-27152?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-27152 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.