CVE-2024-35828 wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer()

What is CVE-2024-35828?

CVE-2024-35828 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 17 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:

wifi: libertas: fix some memleaks in lbs_allocate_cmd_buffer()

In the for statement of lbs_allocate_cmd_buffer(), if the allocation of cmdarray[i].cmdbuf fails, both cmdarray and cmdarray[i].cmdbuf needs to be freed. Otherwise, there will be memleaks in lbs_allocate_cmd_buffer().

Weakness: CWE-401

Which versions are affected by CVE-2024-35828?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-35828?

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-2024-35828 being exploited?

There is no known exploitation of CVE-2024-35828 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-35828, DEBIAN-CVE-2024-35828, GHSA-6264-3hhv-77hg, UBUNTU-CVE-2024-35828.