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Ubuntu Security Notice USN-5850-1

Ubuntu Security Notice USN-5850-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5850-1 - It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly deallocate memory in some situations. An attacker could possibly use this cause a denial of service. 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.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2022-3619, CVE-2022-3628, CVE-2022-3640, CVE-2022-42895, CVE-2023-0590
SHA-256 | f50a53d05385c1aa8549a065fff2b79b08f0366882912bfe06fc4251df296e41

Ubuntu Security Notice USN-5850-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5850-1
February 09, 2023

linux, linux-aws, linux-gcp, linux-ibm, linux-kvm, linux-lowlatency,
linux-oracle, linux-raspi vulnerabilities
==========================================================================

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

- Ubuntu 22.10

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-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-kvm: Linux kernel for cloud environments
- linux-lowlatency: Linux low latency kernel
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-raspi: Linux kernel for Raspberry Pi systems

Details:

It was discovered that the Bluetooth HCI implementation in the Linux kernel
did not properly deallocate memory in some situations. An attacker could
possibly use this cause a denial of service (memory exhaustion).
(CVE-2022-3619)

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)

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 a race condition existed in the qdisc implementation
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-2023-0590)

Update instructions:

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

Ubuntu 22.10:
linux-image-5.19.0-1013-raspi 5.19.0-1013.20
linux-image-5.19.0-1013-raspi-nolpae 5.19.0-1013.20
linux-image-5.19.0-1017-gcp 5.19.0-1017.19
linux-image-5.19.0-1017-ibm 5.19.0-1017.19
linux-image-5.19.0-1017-lowlatency 5.19.0-1017.18
linux-image-5.19.0-1017-lowlatency-64k 5.19.0-1017.18
linux-image-5.19.0-1017-oracle 5.19.0-1017.20
linux-image-5.19.0-1018-kvm 5.19.0-1018.19
linux-image-5.19.0-1019-aws 5.19.0-1019.20
linux-image-5.19.0-31-generic 5.19.0-31.32
linux-image-5.19.0-31-generic-64k 5.19.0-31.32
linux-image-5.19.0-31-generic-lpae 5.19.0-31.32
linux-image-aws 5.19.0.1019.16
linux-image-gcp 5.19.0.1017.14
linux-image-generic 5.19.0.31.28
linux-image-generic-64k 5.19.0.31.28
linux-image-generic-lpae 5.19.0.31.28
linux-image-ibm 5.19.0.1017.14
linux-image-kvm 5.19.0.1018.15
linux-image-lowlatency 5.19.0.1017.14
linux-image-lowlatency-64k 5.19.0.1017.14
linux-image-oracle 5.19.0.1017.14
linux-image-raspi 5.19.0.1013.12
linux-image-raspi-nolpae 5.19.0.1013.12
linux-image-virtual 5.19.0.31.28

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-5850-1
CVE-2022-3619, CVE-2022-3628, CVE-2022-3640, CVE-2022-42895,
CVE-2023-0590

Package Information:
https://launchpad.net/ubuntu/+source/linux/5.19.0-31.32
https://launchpad.net/ubuntu/+source/linux-aws/5.19.0-1019.20
https://launchpad.net/ubuntu/+source/linux-gcp/5.19.0-1017.19
https://launchpad.net/ubuntu/+source/linux-ibm/5.19.0-1017.19
https://launchpad.net/ubuntu/+source/linux-kvm/5.19.0-1018.19
https://launchpad.net/ubuntu/+source/linux-lowlatency/5.19.0-1017.18
https://launchpad.net/ubuntu/+source/linux-oracle/5.19.0-1017.20
https://launchpad.net/ubuntu/+source/linux-raspi/5.19.0-1013.20
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