CVE-2019-3016 (GCVE-0-2019-3016)
Vulnerability from cvelistv5
Published
2020-01-31 19:50
Modified
2024-09-30 15:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| linux | linux_kernel |
Version: 4.10 to 5.6 |
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The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-362\", \"description\": \"CWE-362\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-200\", \"description\": \"CWE-200\"}]}], \"providerMetadata\": {\"orgId\": \"43595867-4340-4103-b7a2-9a5208d29a85\", \"shortName\": \"oracle\", \"dateUpdated\": \"2020-06-10T19:06:37\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": [[{\"version\": \"3.1\", \"vectorString\": \"6.2/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\"}]]}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"4.10 to 5.6\"}]}, \"product_name\": \"linux_kernel\"}]}, \"vendor_name\": \"linux\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2020/01/30/4\", \"name\": \"[oss-security] 20200130 CVE-2019-3016: information leak within a KVM guest\", \"refsource\": \"MLIST\"}, {\"url\": \"https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/\", \"name\": \"https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1792167\", \"name\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1792167\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e\", \"name\": \"https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7\", \"name\": \"https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589\", \"name\": \"https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796\", \"name\": \"https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e\", \"name\": \"https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20200313-0003/\", \"name\": \"https://security.netapp.com/advisory/ntap-20200313-0003/\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://usn.ubuntu.com/4300-1/\", \"name\": \"USN-4300-1\", \"refsource\": \"UBUNTU\"}, {\"url\": \"https://usn.ubuntu.com/4301-1/\", \"name\": \"USN-4301-1\", \"refsource\": \"UBUNTU\"}, {\"url\": \"http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html\", \"name\": \"http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://www.debian.org/security/2020/dsa-4699\", \"name\": \"DSA-4699\", \"refsource\": \"DEBIAN\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"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.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-362\"}]}, {\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-200\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2019-3016\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"secalert_us@oracle.com\"}}}}",
"cveMetadata": "{\"cveId\": \"CVE-2019-3016\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-30T15:47:55.260Z\", \"dateReserved\": \"2018-12-14T00:00:00\", \"assignerOrgId\": \"43595867-4340-4103-b7a2-9a5208d29a85\", \"datePublished\": \"2020-01-31T19:50:14\", \"assignerShortName\": \"oracle\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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