USN-6707-2: Linux kernel (ARM laptop) vulnerabilities

Published Mar 21, 2024
·
Updated

Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle element deactivation 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-2024-1085) 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) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

Affected Software

4 affected componentsFixes available
All of the following
ubuntu/linux-image-6.5.0-1012-laptop<6.5.0-1012.15
6.5.0-1012.15
Ubuntu Ubuntu=23.10
All of the following
ubuntu/linux-image-laptop-23.10<6.5.0.1012.15
6.5.0.1012.15
Ubuntu Ubuntu=23.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.5.0-1012-laptop to a version that resolves this vulnerability.

    Fixed in 6.5.0-1012.15
  2. Upgrade

    Upgrade ubuntu/linux-image-laptop-23.10 to a version that resolves this vulnerability.

    Fixed in 6.5.0.1012.15
  3. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Patch USN-6707-2

Event History

Mar 21, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-6707-2?

USN-6707-2 is classified with high severity due to the potential for denial of service or remote code execution.

2

How do I fix USN-6707-2?

To fix USN-6707-2, upgrade to the recommended package version 6.5.0-1012.15 or higher for Ubuntu 23.10.

3

What are the potential impacts of USN-6707-2?

The potential impacts of USN-6707-2 include system crashes or execution of arbitrary code by a local attacker.

4

Who is affected by USN-6707-2?

Users running specific versions of Ubuntu 23.10 with the vulnerable Linux kernel are affected by USN-6707-2.

5

Can USN-6707-2 be exploited remotely?

USN-6707-2 requires local access to exploit, making it less of a risk for remote attacks.

Contact

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