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.
References
| Link | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1792167 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e | Patch Vendor Advisory |
| https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589 | Patch Vendor Advisory |
| https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796 | Patch Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2020/01/30/4 | Mailing List Third Party Advisory |
| https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e | Patch Vendor Advisory |
| https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7 | Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20200313-0003/ | |
| https://usn.ubuntu.com/4300-1/ | |
| https://usn.ubuntu.com/4301-1/ | |
| http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html | |
| https://www.debian.org/security/2020/dsa-4699 | |
| https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/ |
Configurations
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History
07 Nov 2023, 03:09
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Information
Published : 2020-01-31 20:15
Updated : 2023-11-07 03:09
NVD link : CVE-2019-3016
Mitre link : CVE-2019-3016
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')