CVE-2010-4347 Privilege escalation in n/a
Local attackers can escalate privileges by exploiting insecure permissions on the ACPI debugfs custom_method file in the 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-2010-4347?
CVE-2010-4347 is a medium-severity vulnerability in Linux kernel, published on 22 Dec 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI interpreter tables, related to the acpi_debugfs_init function in drivers/acpi/debugfs.c.
Weakness: CWE-269
Which versions are affected by CVE-2010-4347?
It affects 3 products.
Products include Linux kernel, Opensuse Opensuse, Suse Linux Enterprise Real Time Extension.
How do I fix CVE-2010-4347?
Apply the vendor's patch.
Is CVE-2010-4347 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-4347 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-vpxp-m77w-89hf.