CVE-2019-3016

EUVD-2019-12655
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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
oracleCNA
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.16 ≤
linuxlinux_kernel
4.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
jessie
not-affected
sid
6.11.6-1
fixed
stretch
not-affected
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
not-affected
disco
ignored
eoan
Fixed 5.3.0-42.34
released
focal
not-affected
trusty
not-affected
xenial
not-affected
linux-aws
bionic
not-affected
disco
ignored
eoan
Fixed 5.3.0-1013.14
released
focal
not-affected
trusty
not-affected
xenial
not-affected
linux-aws-5.0
bionic
Fixed 5.0.0-1027.30
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
Fixed 5.0.0-1035.37
released
disco
ignored
eoan
Fixed 5.3.0-1016.17
released
focal
not-affected
trusty
ignored
xenial
not-affected
linux-azure-5.3
bionic
Fixed 5.3.0-1016.17~18.04.1
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
ignored
linux-gcp
bionic
Fixed 5.0.0-1033.34
released
disco
ignored
eoan
Fixed 5.3.0-1014.15
released
focal
not-affected
trusty
dne
xenial
not-affected
linux-gcp-5.3
bionic
Fixed 5.3.0-1014.15~18.04.1
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
not-affected
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
Fixed 5.0.0-1032.33
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
Fixed 5.3.0-1014.15~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-hwe
bionic
Fixed 5.3.0-42.34~18.04.1
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
not-affected
linux-hwe-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
not-affected
disco
ignored
eoan
Fixed 5.3.0-1012.13
released
focal
not-affected
trusty
dne
xenial
not-affected
linux-lts-trusty
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
not-affected
xenial
dne
linux-oem
bionic
not-affected
disco
ignored
eoan
not-affected
focal
dne
trusty
dne
xenial
ignored
linux-oem-5.6
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-oem-osp1
bionic
Fixed 5.0.0-1043.48
released
disco
ignored
eoan
Fixed 5.0.0-1043.48
released
focal
dne
trusty
dne
xenial
dne
linux-oracle
bionic
not-affected
disco
ignored
eoan
Fixed 5.3.0-1011.12
released
focal
not-affected
trusty
dne
xenial
not-affected
linux-oracle-5.0
bionic
Fixed 5.0.0-1013.18
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-raspi2
bionic
not-affected
disco
ignored
eoan
Fixed 5.3.0-1019.21
released
focal
ignored
trusty
dne
xenial
not-affected
linux-raspi2-5.3
bionic
Fixed 5.3.0-1019.21~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-snapdragon
bionic
not-affected
disco
ignored
eoan
dne
focal
dne
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
http://www.openwall.com/lists/oss-security/2020/01/30/4
https://bugzilla.redhat.com/show_bug.cgi?id=1792167
https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/
https://security.netapp.com/advisory/ntap-20200313-0003/
https://usn.ubuntu.com/4300-1/
https://usn.ubuntu.com/4301-1/
https://www.debian.org/security/2020/dsa-4699
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
http://www.openwall.com/lists/oss-security/2020/01/30/4
https://bugzilla.redhat.com/show_bug.cgi?id=1792167
https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/
https://security.netapp.com/advisory/ntap-20200313-0003/
https://usn.ubuntu.com/4300-1/
https://usn.ubuntu.com/4301-1/
https://www.debian.org/security/2020/dsa-4699