CVE-2020-36313
HIGHCVSS 7.8/10EPSS 0.32%
Last modified
CVE-2020-36313 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvm_host.h, and virt/kvm/kvm_main.c.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.7 |
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210604-0005/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210604-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-36313?
An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvm_host.h, and virt/kvm/kvm_main.c.
How severe is CVE-2020-36313?
CVE-2020-36313 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36313?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-36313?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST