Information disclosure in Linux Kernel
CVE-2019-3016
In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.
Vulnerability class: Information Disclosure
EPSS: 0.006 (46.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Linux Linux_kernel — versions 4.10, 4.10 to 5.6
Weakness classification (CWE)
References
- secalert_us@oracle.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM)
- secalert_us@oracle.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert_us@oracle.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert_us@oracle.com (x_refsource_CONFIRM)
- secalert_us@oracle.com (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2019-3016?
- CVE-2019-3016 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 6.2/10. Published 2020-01-31.
- How severe is CVE-2019-3016?
- Medium severity. CVSS v3 base score is 6.2 out of 10.