CVE-2024-27033 f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic

Medium 5.5 Published Updated

A local attacker can trigger a kernel panic in the f2fs filesystem by injecting faults, causing a 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-2024-27033?

CVE-2024-27033 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 May 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:

f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic

verify_blkaddr() will trigger panic once we inject fault into f2fs_is_valid_blkaddr(), fix to remove this unnecessary f2fs_bug_on().

Which versions are affected by CVE-2024-27033?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-27033?

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-2024-27033 being exploited?

There is no known exploitation of CVE-2024-27033 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-27033, DEBIAN-CVE-2024-27033, GHSA-f8c2-mrqx-hg5v, UBUNTU-CVE-2024-27033.

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