UbuntuUSN-4320-1Linux kernel vulnerability
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
7 High
AI Score
Confidence
High
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
9.4%
Releases
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- linux - Linux kernel
- linux-aws - Linux kernel for Amazon Web Services (AWS) systems
- linux-kvm - Linux kernel for cloud environments
- linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
- linux-raspi2 - Linux kernel for Raspberry Pi 2
- linux-snapdragon - Linux kernel for Snapdragon processors
Details
Al Viro discovered that the vfs layer in the Linux kernel contained a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly expose sensitive information (kernel
memory).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-buildinfo-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-cloud-tools-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-headers-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1069-kvm-dbgsym | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-cloud-tools-4.4.0-1069 | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-headers-4.4.0-1069 | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-tools-4.4.0-1069 | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-modules-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-tools-4.4.0-1069-kvm | < 4.4.0-1069.76 | UNKNOWN |
References
Related
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
7 High
AI Score
Confidence
High
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
9.4%