CVE-2005-2548 Null dereference in n/a

What is CVE-2005-2548?

CVE-2005-2548 is a medium-severity vulnerability in Linux kernel, published on 12 Aug 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

vlan_dev.c in the VLAN code for Linux kernel 2.6.8 allows remote attackers to cause a denial of service (kernel oops from null dereference) via certain UDP packets that lead to a function call with the wrong argument, as demonstrated using snmpwalk on snmpd.

Weakness: CWE-399

Which versions are affected by CVE-2005-2548?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-2548?

Apply the vendor's patch.

Is CVE-2005-2548 being exploited?

There is no known exploitation of CVE-2005-2548 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-8m42-548m-pr4p.