=========================================================================Ubuntu Security Notice USN-5515-1
July 13, 2022
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15,
linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2,
linux-snapdragon vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux: Linux kernel
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-azure-4.15: Linux kernel for Microsoft Azure Cloud systems
- linux-gcp-4.15: Linux kernel for Google Cloud Platform (GCP) systems
- linux-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-raspi2: Linux kernel for Raspberry Pi systems
- linux-snapdragon: Linux kernel for Qualcomm Snapdragon processors- linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems
- linux-hwe: Linux hardware enablement (HWE) kernel
- linux-azure: Linux kernel for Microsoft Azure Cloud systems
Details:
Eric Biederman discovered that the cgroup process migration implementation
in the Linux kernel did not perform permission checks correctly in some
situations. A local attacker could possibly use this to gain administrative
privileges. (CVE-2021-4197)
Jann Horn discovered that the FUSE file system 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 execute arbitrary
code. (CVE-2022-1011)
Duoming Zhou discovered that the 6pack protocol implementation in the Linux
kernel did not handle detach events properly in some situations, leading to
a use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash). (CVE-2022-1198)
Duoming Zhou discovered that the AX.25 amateur radio protocol
implementation in the Linux kernel did not handle detach events properly in
some situations. A local attacker could possibly use this to cause a denial
of service (system crash) or execute arbitrary code. (CVE-2022-1199)
Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol
implementation in the Linux kernel during device detach operations. A local
attacker could possibly use this to cause a denial of service (system
crash). (CVE-2022-1204)
Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol
implementation in the Linux kernel, leading to use-after-free
vulnerabilities. A local attacker could possibly use this to cause a denial
of service (system crash). (CVE-2022-1205)
It was discovered that the PF_KEYv2 implementation in the Linux kernel did
not properly initialize kernel memory in some situations. A local attacker
could use this to expose sensitive information (kernel memory).
(CVE-2022-1353)
It was discovered that the implementation of X.25 network protocols in the
Linux kernel did not terminate link layer sessions properly. A local
attacker could possibly use this to cause a denial of service (system
crash). (CVE-2022-1516)
Zheyu Ma discovered that the Silicon Motion SM712 framebuffer driver in the
Linux kernel did not properly handle very small reads. A local attacker
could use this to cause a denial of service (system crash). (CVE-2022-2380)
It was discovered that the Microchip CAN BUS Analyzer interface
implementation in the Linux kernel did not properly handle certain error
conditions, leading to a double-free. A local attacker could possibly use
this to cause a denial of service (system crash). (CVE-2022-28389)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
linux-image-4.15.0-1102-oracle 4.15.0-1102.113
linux-image-4.15.0-1115-raspi2 4.15.0-1115.123
linux-image-4.15.0-1123-kvm 4.15.0-1123.128
linux-image-4.15.0-1131-gcp 4.15.0-1131.147
linux-image-4.15.0-1133-snapdragon 4.15.0-1133.143
linux-image-4.15.0-1137-aws 4.15.0-1137.148
linux-image-4.15.0-1146-azure 4.15.0-1146.161
linux-image-4.15.0-189-generic 4.15.0-189.200
linux-image-4.15.0-189-generic-lpae 4.15.0-189.200
linux-image-4.15.0-189-lowlatency 4.15.0-189.200
linux-image-aws-lts-18.04 4.15.0.1137.137
linux-image-azure-lts-18.04 4.15.0.1146.116
linux-image-gcp-lts-18.04 4.15.0.1131.147
linux-image-generic 4.15.0.189.174
linux-image-generic-lpae 4.15.0.189.174
linux-image-kvm 4.15.0.1123.116
linux-image-lowlatency 4.15.0.189.174
linux-image-oracle-lts-18.04 4.15.0.1102.109
linux-image-raspi2 4.15.0.1115.112
linux-image-snapdragon 4.15.0.1133.134
linux-image-virtual 4.15.0.189.174
Ubuntu 16.04 ESM:
linux-image-4.15.0-1137-aws-hwe 4.15.0-1137.148~16.04.1
linux-image-4.15.0-189-generic 4.15.0-189.200~16.04.1
linux-image-4.15.0-189-lowlatency 4.15.0-189.200~16.04.1
linux-image-aws-hwe 4.15.0.1137.124
linux-image-generic-hwe-16.04 4.15.0.189.176
linux-image-lowlatency-hwe-16.04 4.15.0.189.176
linux-image-oem 4.15.0.189.176
linux-image-virtual-hwe-16.04 4.15.0.189.176
Ubuntu 14.04 ESM:
linux-image-4.15.0-1146-azure 4.15.0-1146.161~14.04.1
linux-image-azure 4.15.0.1146.115
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.
References:
https://ubuntu.com/security/notices/USN-5515-1
CVE-2021-4197, CVE-2022-1011, CVE-2022-1198, CVE-2022-1199,
CVE-2022-1204, CVE-2022-1205, CVE-2022-1353, CVE-2022-1516,
CVE-2022-2380, CVE-2022-28389
Package Information:
https://launchpad.net/ubuntu/+source/linux/4.15.0-189.200
https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1137.148
https://launchpad.net/ubuntu/+source/linux-azure-4.15/4.15.0-1146.161
https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1131.147
https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1123.128
https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1102.113
https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1115.123
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1133.143
