CVE-2024-26855 net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()

What is CVE-2024-26855?

CVE-2024-26855 is a medium-severity vulnerability in Debian Debian Linux, published on 17 Apr 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:

net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()

The function ice_bridge_setlink() may encounter a NULL pointer dereference if nlmsg_find_attr() returns NULL and br_spec is dereferenced subsequently in nla_for_each_nested(). To address this issue, add a check to ensure that br_spec is not NULL before proceeding with the nested attribute iteration.

Weakness: CWE-476

Which versions are affected by CVE-2024-26855?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-26855?

Apply the vendor's patch.

Is CVE-2024-26855 being exploited?

There is no known exploitation of CVE-2024-26855 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-2024-26855, DEBIAN-CVE-2024-26855, GHSA-9q92-r559-g8xx, UBUNTU-CVE-2024-26855.