CVE-2009-1298 Null dereference in n/a

What is CVE-2009-1298?

CVE-2009-1298 is a high-severity vulnerability in Linux kernel, published on 8 Dec 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ip_frag_reasm function in net/ipv4/ip_fragment.c in the Linux kernel 2.6.32-rc8, and 2.6.29 and later versions before 2.6.32, calls IP_INC_STATS_BH with an incorrect argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and hang) via long IP packets, possibly related to the ip_defrag function.

Weakness: CWE-119

Which versions are affected by CVE-2009-1298?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-1298?

Apply the vendor's patch.

Is CVE-2009-1298 being exploited?

There is no known exploitation of CVE-2009-1298 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-gf4f-cr5f-q363.