CVE-2008-4554 Security feature bypass in n/a
Local attackers can bypass append-only file protections to modify arbitrary file locations due to improper handling of O_APPEND flags 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-2008-4554?
CVE-2008-4554 is a medium-severity vulnerability in Linux kernel, published on 15 Oct 2008. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The do_splice_from function in fs/splice.c in the Linux kernel before 2.6.27 does not reject file descriptors that have the O_APPEND flag set, which allows local users to bypass append mode and make arbitrary changes to other locations in the file.
Weakness: CWE-264
Which versions are affected by CVE-2008-4554?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2008-4554?
Upgrade to a fixed version.
Is CVE-2008-4554 being exploited?
There is no known exploitation of CVE-2008-4554 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-qh85-78gq-v523.