Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.9.2 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/11/03/1Mailing ListPatchThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=208767ExploitIssue TrackingThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2Mailing ListRelease NotesVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77Mailing ListPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2020/11/03/1Mailing ListPatchThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=208767ExploitIssue TrackingThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2Mailing ListRelease NotesVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77Mailing ListPatchVendor Advisory
FAQ
What is CVE-2020-27152?
CVE-2020-27152 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2020-27152?
CVE-2020-27152 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27152?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.