OracleCVELIST:CVE-2019-3016CVE-2019-3016
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.5%
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.
CNA Affected
[
{
"product": "linux_kernel",
"vendor": "linux",
"versions": [
{
"status": "affected",
"version": "4.10 to 5.6"
}
]
}
]References
packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
www.openwall.com/lists/oss-security/2020/01/30/4
bugzilla.redhat.com/show_bug.cgi?id=1792167
git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/
security.netapp.com/advisory/ntap-20200313-0003/
usn.ubuntu.com/4300-1/
usn.ubuntu.com/4301-1/
www.debian.org/security/2020/dsa-4699
Related
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.3 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.5%