- Vulnerability/
- USN-5161-1
30/11/2021
USN-5161-1: Linux kernel vulnerabilities
First published: Tue Nov 30 2021(Updated: )
Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2021-3655) It was discovered that the AMD Cryptographic Coprocessor (CCP) driver in the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-3744, CVE-2021-3764) It was discovered that the Aspeed Low Pin Count (LPC) Bus Controller implementation in the Linux kernel did not properly perform boundary checks in some situations, allowing out-of-bounds write access. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. In Ubuntu, this issue only affected systems running armhf kernels. (CVE-2021-42252)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic-64k | <5.11.0-41.45 | 5.11.0-41.45 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-oracle | <5.11.0-1022.23 | 5.11.0-1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-virtual | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-generic-64k | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-generic | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-aws | <5.11.0.1022.23 | 5.11.0.1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic-lpae | <5.11.0-41.45 | 5.11.0-41.45 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-aws | <5.11.0-1022.23 | 5.11.0-1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1023-raspi-nolpae | <5.11.0-1023.25 | 5.11.0-1023.25 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic | <5.11.0-41.45 | 5.11.0-41.45 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-lowlatency | <5.11.0-41.45 | 5.11.0-41.45 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-azure | <5.11.0.1022.23 | 5.11.0.1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-azure | <5.11.0-1022.23 | 5.11.0-1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-raspi-nolpae | <5.11.0.1023.21 | 5.11.0.1023.21 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-oem-20.04 | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-gke | <5.11.0.1023.23 | 5.11.0.1023.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-gcp | <5.11.0.1023.23 | 5.11.0.1023.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-oracle | <5.11.0.1022.23 | 5.11.0.1022.23 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1020-kvm | <5.11.0-1020.22 | 5.11.0-1020.22 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-raspi | <5.11.0.1023.21 | 5.11.0.1023.21 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1023-raspi | <5.11.0-1023.25 | 5.11.0-1023.25 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-kvm | <5.11.0.1020.21 | 5.11.0.1020.21 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1023-gcp | <5.11.0-1023.25 | 5.11.0-1023.25 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-generic-lpae | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-lowlatency | <5.11.0.41.42 | 5.11.0.41.42 |
| =21.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-lowlatency | <5.11.0-41.45~20.04.1 | 5.11.0-41.45~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic-64k | <5.11.0-41.45~20.04.1 | 5.11.0-41.45~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-virtual-hwe-20.04 | <5.11.0.41.45~20.04.19 | 5.11.0.41.45~20.04.19 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-aws | <5.11.0.1022.23~20.04.21 | 5.11.0.1022.23~20.04.21 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic-lpae | <5.11.0-41.45~20.04.1 | 5.11.0-41.45~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-lowlatency-hwe-20.04 | <5.11.0.41.45~20.04.19 | 5.11.0.41.45~20.04.19 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-generic-hwe-20.04 | <5.11.0.41.45~20.04.19 | 5.11.0.41.45~20.04.19 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-aws | <5.11.0-1022.23~20.04.1 | 5.11.0-1022.23~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-oracle | <5.11.0-1022.23~20.04.1 | 5.11.0-1022.23~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-41-generic | <5.11.0-41.45~20.04.1 | 5.11.0-41.45~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-azure | <5.11.0.1022.23~20.04.22 | 5.11.0.1022.23~20.04.22 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1022-azure | <5.11.0-1022.23~20.04.1 | 5.11.0-1022.23~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-5.11.0-1023-gcp | <5.11.0-1023.25~20.04.1 | 5.11.0-1023.25~20.04.1 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-gcp | <5.11.0.1023.25~20.04.22 | 5.11.0.1023.25~20.04.22 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-oracle | <5.11.0.1022.23~20.04.15 | 5.11.0.1022.23~20.04.15 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-generic-64k-hwe-20.04 | <5.11.0.41.45~20.04.19 | 5.11.0.41.45~20.04.19 |
| =20.04 | ||
| All of | ||
| ubuntu/linux-image-generic-lpae-hwe-20.04 | <5.11.0.41.45~20.04.19 | 5.11.0.41.45~20.04.19 |
| =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2021-3744
- https://ubuntu.com/security/CVE-2021-3764
- https://ubuntu.com/security/CVE-2021-42252
- https://ubuntu.com/security/CVE-2021-3655
- https://ubuntu.com/security/notices/USN-5139-1
- https://ubuntu.com/security/notices/USN-5140-1
- https://ubuntu.com/security/notices/USN-5162-1
- https://ubuntu.com/security/notices/USN-5163-1
- https://ubuntu.com/security/notices/USN-5164-1
- https://ubuntu.com/security/notices/USN-5136-1
- https://ubuntu.com/security/notices/USN-5137-1
- https://launchpad.net/ubuntu/+source/linux-signed/5.11.0-41.45
- https://launchpad.net/ubuntu/+source/linux-signed-oracle/5.11.0-1022.23
- https://launchpad.net/ubuntu/+source/linux-meta/5.11.0.41.42
- https://launchpad.net/ubuntu/+source/linux-meta-aws/5.11.0.1022.23
- https://launchpad.net/ubuntu/+source/linux/5.11.0-41.45
- https://launchpad.net/ubuntu/+source/linux-aws/5.11.0-1022.23
- https://launchpad.net/ubuntu/+source/linux-raspi/5.11.0-1023.25
- https://launchpad.net/ubuntu/+source/linux-meta-azure/5.11.0.1022.23
- https://launchpad.net/ubuntu/+source/linux-signed-azure/5.11.0-1022.23
- https://launchpad.net/ubuntu/+source/linux-meta-raspi/5.11.0.1023.21
- https://launchpad.net/ubuntu/+source/linux-meta-gcp/5.11.0.1023.23
- https://launchpad.net/ubuntu/+source/linux-meta-oracle/5.11.0.1022.23
- https://launchpad.net/ubuntu/+source/linux-signed-kvm/5.11.0-1020.22
- https://launchpad.net/ubuntu/+source/linux-meta-kvm/5.11.0.1020.21
- https://launchpad.net/ubuntu/+source/linux-signed-gcp/5.11.0-1023.25
- https://launchpad.net/ubuntu/+source/linux-signed-hwe-5.11/5.11.0-41.45~20.04.1
- https://launchpad.net/ubuntu/+source/linux-meta-hwe-5.11/5.11.0.41.45~20.04.19
- https://launchpad.net/ubuntu/+source/linux-meta-aws-5.11/5.11.0.1022.23~20.04.21
- https://launchpad.net/ubuntu/+source/linux-hwe-5.11/5.11.0-41.45~20.04.1
- https://launchpad.net/ubuntu/+source/linux-aws-5.11/5.11.0-1022.23~20.04.1
- https://launchpad.net/ubuntu/+source/linux-signed-oracle-5.11/5.11.0-1022.23~20.04.1
- https://launchpad.net/ubuntu/+source/linux-meta-azure-5.11/5.11.0.1022.23~20.04.22
- https://launchpad.net/ubuntu/+source/linux-signed-azure-5.11/5.11.0-1022.23~20.04.1
- https://launchpad.net/ubuntu/+source/linux-signed-gcp-5.11/5.11.0-1023.25~20.04.1
- https://launchpad.net/ubuntu/+source/linux-meta-gcp-5.11/5.11.0.1023.25~20.04.22
- https://launchpad.net/ubuntu/+source/linux-meta-oracle-5.11/5.11.0.1022.23~20.04.15
- https://ubuntu.com/security/notices/USN-5161-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
- agent/severity
- agent/references
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/softwarecombine
- collector/usn
- source/Ubuntu
- anchor-related/USN-5139-1
- anchor-related/USN-5140-1
- anchor-related/USN-5162-1
- anchor-related/USN-5163-1
- anchor-related/USN-5164-1
- anchor-related/USN-5136-1
- anchor-related/USN-5137-1
- agent/software-canonical-lookup
- agent/event
- agent/description
- agent/tags
- agent/title
- agent/trending
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/21.04
- version/ubuntu ubuntu/20.04