CVE-2019-3016
- State
- Published
- Severity
- 6.2 Medium
- Published
- Jan 31, 2020
- Updated
- Sep 30, 2024
- Reserved
- Dec 14, 2018
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.2 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | oracle |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
linux_kernellinux |
|
References
- [oss-security] 20200130 CVE-2019-3016: information leak within a KVM guestmailing-list
- https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/
- https://bugzilla.redhat.com/show_bug.cgi?id=1792167
- https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
- https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
- https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
- https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
- https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
- https://security.netapp.com/advisory/ntap-20200313-0003/
- USN-4300-1vendor-advisory
- USN-4301-1vendor-advisory
- http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
- DSA-4699vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.