CVE-2019-3016

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
NISTNIST
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
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
linuxlinux_kernel
4.16 ≤
linuxlinux_kernel
4.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
jessie
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
focal
not-affected
eoan
Fixed 5.3.0-42.34
released
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
focal
not-affected
eoan
Fixed 5.3.0-1013.14
released
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1027.30
released
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
focal
not-affected
eoan
Fixed 5.3.0-1016.17
released
disco
ignored
bionic
Fixed 5.0.0-1035.37
released
xenial
not-affected
trusty
ignored
linux-azure-5.3
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-1016.17~18.04.1
released
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-gcp
focal
not-affected
eoan
Fixed 5.3.0-1014.15
released
disco
ignored
bionic
Fixed 5.0.0-1033.34
released
xenial
not-affected
trusty
dne
linux-gcp-5.3
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-1014.15~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-edge
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1032.33
released
xenial
dne
trusty
dne
linux-gke-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1014.15~18.04.1
released
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-42.34~18.04.1
released
xenial
not-affected
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
focal
not-affected
eoan
Fixed 5.3.0-1012.13
released
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
dne
linux-lts-trusty
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-oem
focal
dne
eoan
not-affected
disco
ignored
bionic
not-affected
xenial
ignored
trusty
dne
linux-oem-5.6
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
focal
dne
eoan
Fixed 5.0.0-1043.48
released
disco
ignored
bionic
Fixed 5.0.0-1043.48
released
xenial
dne
trusty
dne
linux-oracle
focal
not-affected
eoan
Fixed 5.3.0-1011.12
released
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1013.18
released
xenial
dne
trusty
dne
linux-oracle-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
focal
ignored
eoan
Fixed 5.3.0-1019.21
released
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1019.21~18.04.1
released
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
disco
ignored
bionic
not-affected
xenial
not-affected
trusty
dne
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