CVE-2020-36313
HIGH
7.8
CVSS Score
Published: April 6, 2021 at 11:28 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.7
Affected range stops below 5.7, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0774a964ef561b7170d8d1b1bfe6f88002b6d219x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210604-0005/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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