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Ubuntu Security Notice USN-6702-2

Ubuntu Security Notice USN-6702-2
Posted Mar 21, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6702-2 - It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service. It was discovered that the ARM Mali Display Processor driver implementation in the Linux kernel did not properly handle certain error conditions. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-23000, CVE-2023-23004, CVE-2024-1086, CVE-2024-24855
SHA-256 | a213d583fab5e7ea18b9f2b55c31cedb9241c9947c2e53ba4b289d916196a091

Ubuntu Security Notice USN-6702-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6702-2
March 20, 2024

linux-aws, linux-aws-5.4, linux-gcp-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-aws: Linux kernel for Amazon Web Services (AWS) 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-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems
- linux-raspi-5.4: Linux kernel for Raspberry Pi systems

Details:

It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)

It was discovered that the ARM Mali Display Processor driver implementation
in the Linux kernel did not properly handle certain error conditions. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2023-23004)

Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, 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-2024-1086)

It was discovered that a race condition existed in the SCSI Emulex
LightPulse Fibre Channel driver in the Linux kernel when unregistering FCF
and re-scanning an HBA FCF table, leading to a null pointer dereference
vulnerability. A local attacker could use this to cause a denial of service
(system crash). (CVE-2024-24855)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
linux-image-5.4.0-1040-xilinx-zynqmp 5.4.0-1040.44
linux-image-5.4.0-1105-raspi 5.4.0-1105.117
linux-image-5.4.0-1121-aws 5.4.0-1121.131
linux-image-aws-lts-20.04 5.4.0.1121.118
linux-image-raspi 5.4.0.1105.135
linux-image-raspi2 5.4.0.1105.135
linux-image-xilinx-zynqmp 5.4.0.1040.40

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
linux-image-5.4.0-1105-raspi 5.4.0-1105.117~18.04.1
linux-image-5.4.0-1121-aws 5.4.0-1121.131~18.04.1
linux-image-5.4.0-1125-gcp 5.4.0-1125.134~18.04.1
linux-image-aws 5.4.0.1121.99
linux-image-gcp 5.4.0.1125.101
linux-image-raspi-hwe-18.04 5.4.0.1105.102

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-6702-2
https://ubuntu.com/security/notices/USN-6702-1
CVE-2023-23000, CVE-2023-23004, CVE-2024-1086, CVE-2024-24855

Package Information:
https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1121.131
https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1105.117
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1040.44

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