CVE-2011-1478 Null dereference in n/a

What is CVE-2011-1478?

CVE-2011-1478 is a medium-severity vulnerability in Linux kernel, published on 23 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.

Weakness: CWE-476

Which versions are affected by CVE-2011-1478?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-1478?

Upgrade to a fixed version.

Is CVE-2011-1478 being exploited?

There is no known exploitation of CVE-2011-1478 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

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

Also known as GHSA-xpmh-v8j6-g4hx.