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Ubuntu 22.04 LTS USN-6609-3: Critical Oracle Kernel Denial of Service

ubuntu
Calendar Grey February 6, 2024
Dist Ubuntu Esm H88
Address critical issues in Oracle Linux kernels with USN-6609-3 and ensure system integrity by upgrading now.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-oracle: Linux kernel for Oracle Cloud systems

- linux-oracle-5.15: Linux kernel for Oracle Cloud systems

Details:

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not

properly validate network family support while creating a new netfilter

table. A local attacker could use this to cause a denial of service or

possibly execute arbitrary code. (CVE-2023-6040)

It was discovered that the CIFS network file system implementation in the

Linux kernel did not properly validate the server frame size in certain

situation, leading to an out-of-bounds read vulnerability. An attacker

could use this to construct a malicious CIFS image that, when operated on,

could cause a denial of service (system crash) or possibly expose sensitive

information. (CVE-2023-6606)

Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did

not properly handle inactive ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu software fix system update kernel issues oracle kernel

Update Instructions

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

Ubuntu 22.04 LTS:
   linux-image-5.15.0-1050-oracle  5.15.0-1050.56
   linux-image-oracle              5.15.0.1050.45
   linux-image-oracle-lts-22.04    5.15.0.1050.45

Ubuntu 20.04 LTS:
   linux-image-5.15.0-1050-oracle  5.15.0-1050.56~20.04.1
   linux-image-oracle              5.15.0.1050.56~20.04.1

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-6609-3

https://ubuntu.com/security/notices/USN-6609-1

CVE-2023-6040, CVE-2023-6606, CVE-2023-6817, CVE-2023-6931,

CVE-2023-6932, CVE-2024-0193

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6609-3

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu software fix system update kernel issues oracle kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-oracle/5.15.0-1050.56
https://launchpad.net/ubuntu/+source/linux-oracle-5.15/5.15.0-1050.56~20.04.1

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