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Ubuntu Security Notice USN-5874-1

Ubuntu Security Notice USN-5874-1
Posted Feb 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5874-1 - It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service or possibly execute arbitrary code. It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3628, CVE-2022-3640, CVE-2022-3649, CVE-2022-41849, CVE-2022-41850, CVE-2022-42895, CVE-2023-20928
SHA-256 | 6d9f1fe0deb01df63942e808c4bb1eba061aca23dfd2703c1120d4fe167df272

Ubuntu Security Notice USN-5874-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5874-1
February 15, 2023

linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm,
linux-ibm-5.4, linux-oracle-5.4 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-ibm: Linux kernel for IBM cloud systems
- 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-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

Details:

It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux
kernel did not properly perform bounds checking in some situations. A
physically proximate attacker could use this to craft a malicious USB
device that when inserted, could cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2022-3628)

It was discovered that a use-after-free vulnerability existed in the
Bluetooth stack in the Linux kernel. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2022-3640)

Khalid Masum discovered that the NILFS2 file system implementation in the
Linux kernel did not properly handle certain error conditions, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service or possibly execute arbitrary code. (CVE-2022-3649)

It was discovered that a race condition existed in the SMSC UFX USB driver
implementation in the Linux kernel, leading to a use-after-free
vulnerability. A physically proximate attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-41849)

It was discovered that a race condition existed in the Roccat HID driver in
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-2022-41850)

Tamás Koczka discovered that the Bluetooth L2CAP implementation in the
Linux kernel did not properly initialize memory in some situations. A
physically proximate attacker could possibly use this to expose sensitive
information (kernel memory). (CVE-2022-42895)

It was discovered that the binder IPC implementation 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-2023-20928)

Update instructions:

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

Ubuntu 20.04 LTS:
linux-image-5.4.0-1044-ibm 5.4.0-1044.49
linux-image-5.4.0-1100-gcp 5.4.0-1100.109
linux-image-gcp-lts-20.04 5.4.0.1100.102
linux-image-ibm 5.4.0.1044.70
linux-image-ibm-lts-20.04 5.4.0.1044.70

Ubuntu 18.04 LTS:
linux-image-5.4.0-1044-ibm 5.4.0-1044.49~18.04.1
linux-image-5.4.0-1093-oracle 5.4.0-1093.102~18.04.1
linux-image-5.4.0-1096-aws 5.4.0-1096.104~18.04.1
linux-image-5.4.0-1100-gcp 5.4.0-1100.109~18.04.1
linux-image-5.4.0-139-generic 5.4.0-139.156~18.04.1
linux-image-5.4.0-139-generic-lpae 5.4.0-139.156~18.04.1
linux-image-5.4.0-139-lowlatency 5.4.0-139.156~18.04.1
linux-image-aws 5.4.0.1096.74
linux-image-gcp 5.4.0.1100.76
linux-image-generic-hwe-18.04 5.4.0.139.156~18.04.114
linux-image-generic-lpae-hwe-18.04 5.4.0.139.156~18.04.114
linux-image-ibm 5.4.0.1044.55
linux-image-lowlatency-hwe-18.04 5.4.0.139.156~18.04.114
linux-image-oem 5.4.0.139.156~18.04.114
linux-image-oem-osp1 5.4.0.139.156~18.04.114
linux-image-oracle 5.4.0.1093.102~18.04.67
linux-image-snapdragon-hwe-18.04 5.4.0.139.156~18.04.114
linux-image-virtual-hwe-18.04 5.4.0.139.156~18.04.114

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-5874-1
CVE-2022-3628, CVE-2022-3640, CVE-2022-3649, CVE-2022-41849,
CVE-2022-41850, CVE-2022-42895, CVE-2023-20928

Package Information:
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1100.109
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1044.49
https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1096.104~18.04.1
https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1100.109~18.04.1
https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-139.156~18.04.1
https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1044.49~18.04.1
https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1093.102~18.04.1
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