CVE-2010-1636 Information disclosure in n/a
Local attackers can read sensitive data from write-only files via a flaw in the btrfs clone ioctl, affecting Linux kernel users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-1636?
CVE-2010-1636 is a low-severity vulnerability in Linux kernel, published on 7 Jun 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel 2.6.29 through 2.6.32, and possibly other versions, does not ensure that a cloned file descriptor has been opened for reading, which allows local users to read sensitive information from a write-only file descriptor.
Weakness: CWE-200
Which versions are affected by CVE-2010-1636?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2010-1636?
No fix has been published for CVE-2010-1636 yet. Limit exposure of the affected software until one is available.
Is CVE-2010-1636 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-1636 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-5c4j-r3xw-v7jr.