CVE-2024-42095 serial: 8250_omap: Implementation of Errata i2310

Medium 5.5 Published Updated

An unhandled erroneous interrupt in the OMAP serial driver can cause an interrupt storm, leading to system denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-42095?

CVE-2024-42095 is a medium-severity denial of service vulnerability in Linux kernel, published on 29 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

serial: 8250_omap: Implementation of Errata i2310

As per Errata i2310[0], Erroneous timeout can be triggered, if this Erroneous interrupt is not cleared then it may leads to storm of interrupts, therefore apply Errata i2310 solution.

[0] https://www.ti.com/lit/pdf/sprz536 page 23

Which versions are affected by CVE-2024-42095?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-42095?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-42095 being exploited?

There is no known exploitation of CVE-2024-42095 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-42095, DEBIAN-CVE-2024-42095, GHSA-hgr9-4345-8p9r, UBUNTU-CVE-2024-42095.

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