CVE-2005-3753 Denial of service in n/a

What is CVE-2005-3753?

CVE-2005-3753 is a high-severity denial of service vulnerability in Linux kernel, published on 22 Nov 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Linux kernel before after 2.6.12 and before 2.6.13.1 might allow attackers to cause a denial of service (Oops) via certain IPSec packets that cause alignment problems in standard multi-block cipher processors. NOTE: it is not clear whether this issue can be triggered by an attacker.

Which versions are affected by CVE-2005-3753?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-3753?

No fix has been published for CVE-2005-3753 yet. Limit exposure of the affected software until one is available.

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-2005-3753 being exploited?

There is no known exploitation of CVE-2005-3753 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-266p-f3wq-cj93.