CVE-2023-45871 Memory corruption in n/a

What is CVE-2023-45871?

CVE-2023-45871 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 15 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.

Weakness: CWE-131

Which versions are affected by CVE-2023-45871?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2023-45871?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-45871 being exploited?

There is no known exploitation of CVE-2023-45871 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as AZL-31567, BELL-CVE-2023-45871, DEBIAN-CVE-2023-45871, GHSA-67f2-j5vg-639w, UBUNTU-CVE-2023-45871.