UbuntuUSN-4303-1Linux kernel vulnerability
6.8 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
6.8 Medium
AI Score
Confidence
High
2.3 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:A/AC:M/Au:S/C:P/I:N/A:N
0.0005 Low
EPSS
Percentile
16.6%
Releases
- Ubuntu 16.04 ESM
Packages
- linux - Linux kernel
- linux-aws - Linux kernel for Amazon Web Services (AWS) systems
- linux-kvm - Linux kernel for cloud environments
Details
Paulo Bonzini discovered that the KVM hypervisor implementation in the
Linux kernel could improperly let a nested (level 2) guest access the
resources of a parent (level 1) guest in certain situations. An attacker
could use this to expose sensitive information.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-buildinfo-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-cloud-tools-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-headers-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1068-kvm-dbgsym | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-cloud-tools-4.4.0-1068 | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-headers-4.4.0-1068 | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-tools-4.4.0-1068 | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-modules-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-tools-4.4.0-1068-kvm | < 4.4.0-1068.75 | UNKNOWN |
References
Related
6.8 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
6.8 Medium
AI Score
Confidence
High
2.3 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:A/AC:M/Au:S/C:P/I:N/A:N
0.0005 Low
EPSS
Percentile
16.6%