CVE-2020-12768 — Missing Release of Memory after Effective Lifetime in Kernel
Severity
5.5MEDIUMNVD
OSV5.9
EPSS
0.1%
top 82.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 9
Latest updateMay 24
Description
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
Also affects: Debian Linux 10.0, Ubuntu Linux 18.04, 19.10, 20.04
Patches
🔴Vulnerability Details
6OSV▶
linux, linux-aws, linux-aws-5.3, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities↗2020-07-06
OSV▶
linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities↗2020-07-06
📋Vendor Advisories
5Microsoft▶
An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak↗2020-05-12
Debian▶
CVE-2020-12768: linux - An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x...↗2020