UbuntuUSN-4486-1Linux kernel vulnerability
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.6 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%
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 (V8) systems
- linux-snapdragon - Linux kernel for Qualcomm Snapdragon processors
Details
Wen Xu discovered that the XFS filesystem implementation in the Linux
kernel did not properly validate meta-data information. An attacker could
use this to construct a malicious xfs image that, when mounted, could cause
a denial of service (system crash).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-buildinfo-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-cloud-tools-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-headers-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-image-4.4.0-1079-kvm-dbgsym | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-cloud-tools-4.4.0-1079 | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-headers-4.4.0-1079 | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-kvm-tools-4.4.0-1079 | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-modules-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
| Ubuntu | 16.04 | noarch | linux-tools-4.4.0-1079-kvm | < 4.4.0-1079.86 | UNKNOWN |
References
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.6 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%