CVE-2020-36313
HIGHLinux Kernel < 5.7 - Use-After-Free in KVM Memslot Handling
Title source: llmDescription
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.
References (3)
Core 3
Core References
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0774a964ef561b7170d8d1b1bfe6f88002b6d219
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210604-0005/
Scores
CVSS v3
7.8
EPSS
0.0032
EPSS Percentile
23.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (1)
linux/linux_kernel
< 5.7
Published
Apr 07, 2021
Tracked Since
Feb 18, 2026