UbuntuUSN-5219-1Linux 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
7.4 High
AI Score
Confidence
High
3.2 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%
Releases
- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
Packages
- linux - Linux kernel
- linux-aws - Linux kernel for Amazon Web Services (AWS) systems
- linux-aws-5.11 - Linux kernel for Amazon Web Services (AWS) systems
- linux-azure - Linux kernel for Microsoft Azure Cloud systems
- linux-azure-5.11 - Linux kernel for Microsoft Azure cloud systems
- linux-gcp - Linux kernel for Google Cloud Platform (GCP) systems
- linux-gcp-5.11 - Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe-5.11 - Linux hardware enablement (HWE) kernel
- linux-kvm - Linux kernel for cloud environments
- linux-oem-5.10 - Linux kernel for OEM systems
- linux-oracle - Linux kernel for Oracle Cloud systems
- linux-oracle-5.11 - Linux kernel for Oracle Cloud systems
- linux-raspi - Linux kernel for Raspberry Pi systems
Details
It was discovered that the eBPF implementation in the Linux kernel did
not properly validate the memory size of certain ring buffer operation
arguments. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-1008-kvm | < 5.13.0-1008.8 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-5.13.0-1008-kvm-dbgsym | < 5.13.0-1008.8 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-image-virtual | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic-hwe-20.04 | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-generic-hwe-20.04-edge | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-lowlatency | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-lowlatency-hwe-20.04 | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-lowlatency-hwe-20.04-edge | < 5.13.0.25.36 | UNKNOWN |
| Ubuntu | 21.10 | noarch | linux-cloud-tools-virtual | < 5.13.0.25.36 | UNKNOWN |
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
7.4 High
AI Score
Confidence
High
3.2 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
5.3%