Vulnerability in Linux Kernel
CVE-2020-12768
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
EPSS: 0.004 (31.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Canonical Ubuntu_linux — versions 18.04, 19.10, 20.04
- Debian Debian_linux — versions 10.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12768?
- CVE-2020-12768 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2020-05-09.
- How severe is CVE-2020-12768?
- Medium severity. CVSS v3 base score is 5.5 out of 10.