CVE-2024-46777 udf: Avoid excessive partition lengths

High 7.8 Published Updated

Attackers can cause denial of service by mounting malicious UDF filesystems with excessive partition lengths in the Linux kernel.

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-2024-46777?

CVE-2024-46777 is a high-severity vulnerability in Linux kernel, published on 18 Sep 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:

udf: Avoid excessive partition lengths

Avoid mounting filesystems where the partition would overflow the 32-bits used for block number. Also refuse to mount filesystems where the partition length is so large we cannot safely index bits in a block bitmap.

Which versions are affected by CVE-2024-46777?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46777?

Apply the vendor's patch.

Is CVE-2024-46777 being exploited?

There is no known exploitation of CVE-2024-46777 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-46777, DEBIAN-CVE-2024-46777, GHSA-jxg7-j4mp-g3q9, UBUNTU-CVE-2024-46777.

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