CVE-2009-1914 Null dereference in n/a
Local users can crash the system by reading /proc/iomem due to uninitialized pointers in the SPARC64 Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-1914?
CVE-2009-1914 is a medium-severity vulnerability in Linux kernel, published on 4 Jun 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The pci_register_iommu_region function in arch/sparc/kernel/pci_common.c in the Linux kernel before 2.6.29 on the sparc64 platform allows local users to cause a denial of service (system crash) by reading the /proc/iomem file, related to uninitialized pointers and the request_resource function.
Weakness: CWE-20
Which versions are affected by CVE-2009-1914?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2009-1914?
Upgrade to a fixed version.
Is CVE-2009-1914 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1914 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-g43q-mc2v-h35w.