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Ubuntu 22.04 LTS: 5913-1 Moderate: Kernel Denial Of Service Issues

ubuntu
Calendar Grey March 3, 2023
Dist Ubuntu Esm H88
This bulletin highlights critical patches in the Linux core, impacting multiple versions of Ubuntu LTS.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-oem-5.17: Linux kernel for OEM systems

- linux-oem-5.14: Linux kernel for OEM systems

Details:

It was discovered that the Upper Level Protocol (ULP) subsystem in the

Linux kernel did not properly handle sockets entering the LISTEN state in

certain protocols, 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-2023-0461)

Lee Jones discovered that a use-after-free vulnerability existed in the

Bluetooth implementation in the Linux kernel. A local attacker could use

this to cause a denial of service (system crash) or possibly execute

arbitrary code. (CVE-2022-20566)

It was discovered that the ISDN implementation of the Linux kernel

contained a use-after-free vulnerability. A privileged user could use this

to cause a denial of service (system crash) or possibly execute ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu kernel use-after-free OEM

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-5.17.0-1028-oem     5.17.0-1028.29
   linux-image-oem-22.04           5.17.0.1028.26
   linux-image-oem-22.04a          5.17.0.1028.26

Ubuntu 20.04 LTS:
   linux-image-5.14.0-1058-oem     5.14.0-1058.66
   linux-image-oem-20.04           5.14.0.1058.56
   linux-image-oem-20.04b          5.14.0.1058.56
   linux-image-oem-20.04c          5.14.0.1058.56
   linux-image-oem-20.04d          5.14.0.1058.56

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-5913-1

CVE-2022-20566, CVE-2022-3565, CVE-2022-36879, CVE-2022-43750,

CVE-2022-4379, CVE-2022-47520, CVE-2023-0045, CVE-2023-0461

March 03, 2023

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu kernel use-after-free OEM

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.17/5.17.0-1028.29
https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1058.66

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