[USN-6648-1] Linux kernel vulnerabilities
Rodrigo Figueiredo Zaiden
rodrigo.zaiden at canonical.com
Thu Feb 22 01:25:34 UTC 2024
==========================================================================
Ubuntu Security Notice USN-6648-1
February 22, 2024
linux, linux-aws, linux-aws-5.4, linux-bluefield, linux-gcp, linux-gkeop,
linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm,
linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4,
linux-xilinx-zynqmp vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
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-bluefield: Linux kernel for NVIDIA BlueField platforms
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-iot: Linux kernel for IoT platforms
- linux-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-raspi: Linux kernel for Raspberry Pi systems
- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors
- linux-aws-5.4: Linux kernel for Amazon Web Services (AWS) systems
- linux-hwe-5.4: Linux hardware enablement (HWE) kernel
- linux-ibm-5.4: Linux kernel for IBM cloud systems
- linux-oracle-5.4: Linux kernel for Oracle Cloud systems
- linux-raspi-5.4: Linux kernel for Raspberry Pi systems
Details:
It was discovered that a race condition existed in the AppleTalk networking
subsystem of the Linux kernel, leading to 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-2023-51781)
Zhenghan Wang discovered that the generic ID allocator implementation in
the Linux kernel did not properly check for null bitmap when releasing IDs.
A local attacker could use this to cause a denial of service (system
crash). (CVE-2023-6915)
Robert Morris discovered that the CIFS network file system implementation
in the Linux kernel did not properly validate certain server commands
fields, leading to an out-of-bounds read vulnerability. An attacker could
use this to cause a denial of service (system crash) or possibly expose
sensitive information. (CVE-2024-0565)
Jann Horn discovered that the TLS subsystem in the Linux kernel did not
properly handle spliced messages, leading to an out-of-bounds write
vulnerability. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2024-0646)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
linux-image-5.4.0-1031-iot 5.4.0-1031.32
linux-image-5.4.0-1038-xilinx-zynqmp 5.4.0-1038.42
linux-image-5.4.0-1066-ibm 5.4.0-1066.71
linux-image-5.4.0-1079-bluefield 5.4.0-1079.85
linux-image-5.4.0-1086-gkeop 5.4.0-1086.90
linux-image-5.4.0-1103-raspi 5.4.0-1103.115
linux-image-5.4.0-1107-kvm 5.4.0-1107.114
linux-image-5.4.0-1118-oracle 5.4.0-1118.127
linux-image-5.4.0-1119-aws 5.4.0-1119.129
linux-image-5.4.0-1123-gcp 5.4.0-1123.132
linux-image-5.4.0-172-generic 5.4.0-172.190
linux-image-5.4.0-172-generic-lpae 5.4.0-172.190
linux-image-5.4.0-172-lowlatency 5.4.0-172.190
linux-image-aws-lts-20.04 5.4.0.1119.116
linux-image-bluefield 5.4.0.1079.74
linux-image-gcp-lts-20.04 5.4.0.1123.125
linux-image-generic 5.4.0.172.170
linux-image-generic-lpae 5.4.0.172.170
linux-image-gkeop 5.4.0.1086.84
linux-image-gkeop-5.4 5.4.0.1086.84
linux-image-ibm-lts-20.04 5.4.0.1066.95
linux-image-kvm 5.4.0.1107.103
linux-image-lowlatency 5.4.0.172.170
linux-image-oem 5.4.0.172.170
linux-image-oem-osp1 5.4.0.172.170
linux-image-oracle-lts-20.04 5.4.0.1118.111
linux-image-raspi 5.4.0.1103.133
linux-image-raspi2 5.4.0.1103.133
linux-image-virtual 5.4.0.172.170
linux-image-xilinx-zynqmp 5.4.0.1038.38
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
linux-image-5.4.0-1066-ibm 5.4.0-1066.71~18.04.1
linux-image-5.4.0-1103-raspi 5.4.0-1103.115~18.04.1
linux-image-5.4.0-1118-oracle 5.4.0-1118.127~18.04.1
linux-image-5.4.0-1119-aws 5.4.0-1119.129~18.04.1
linux-image-5.4.0-172-generic 5.4.0-172.190~18.04.1
linux-image-5.4.0-172-lowlatency 5.4.0-172.190~18.04.1
linux-image-aws 5.4.0.1119.97
linux-image-generic-hwe-18.04 5.4.0.172.190~18.04.140
linux-image-ibm 5.4.0.1066.76
linux-image-lowlatency-hwe-18.04 5.4.0.172.190~18.04.140
linux-image-oem 5.4.0.172.190~18.04.140
linux-image-oem-osp1 5.4.0.172.190~18.04.140
linux-image-oracle 5.4.0.1118.127~18.04.90
linux-image-raspi-hwe-18.04 5.4.0.1103.100
linux-image-snapdragon-hwe-18.04 5.4.0.172.190~18.04.140
linux-image-virtual-hwe-18.04 5.4.0.172.190~18.04.140
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-6648-1
CVE-2023-51781, CVE-2023-6915, CVE-2024-0565, CVE-2024-0646
Package Information:
https://launchpad.net/ubuntu/+source/linux/5.4.0-172.190
https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1119.129
https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1079.85
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1123.132
https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1086.90
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1066.71
https://launchpad.net/ubuntu/+source/linux-iot/5.4.0-1031.32
https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1107.114
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1118.127
https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1103.115
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1038.42
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