CVE-2022-48885 ice: Fix potential memory leak in ice_gnss_tty_write()

Medium 5.5 Published Updated

A memory leak in the Linux kernel's ice driver allows attackers to cause denial of service by exhausting system memory.

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-2022-48885?

CVE-2022-48885 is a medium-severity denial of service vulnerability in Linux kernel, published on 21 Aug 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:

ice: Fix potential memory leak in ice_gnss_tty_write()

The ice_gnss_tty_write() return directly if the write_buf alloc failed, leaking the cmd_buf.

Fix by free cmd_buf if write_buf alloc failed.

Weakness: CWE-401

Which versions are affected by CVE-2022-48885?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48885?

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-2022-48885 being exploited?

There is no known exploitation of CVE-2022-48885 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-48885, GHSA-rc9q-9gjh-f3q6, UBUNTU-CVE-2022-48885.

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