CVE-2004-0949 Information disclosure in n/a
A remote attacker can read arbitrary kernel memory or cause a denial of service by sending malformed fragmented SMB packets to a Linux system using the smbfs filesystem.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2004-0949?
CVE-2004-0949 is a medium-severity vulnerability in Linux kernel, published on 1 Dec 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The smb_recv_trans2 function call in the samba filesystem (smbfs) in Linux kernel 2.4 and 2.6 does not properly handle the re-assembly of fragmented packets correctly, which could allow remote samba servers to (1) read arbitrary kernel information or (2) raise a counter value to an arbitrary number by sending the first part of the fragmented packet multiple times.
Which versions are affected by CVE-2004-0949?
It affects 8 products.
Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Fedora Core, Redhat Linux Advanced Workstation, Suse Suse Linux and 2 more.
How do I fix CVE-2004-0949?
Apply the vendor's patch.
Is CVE-2004-0949 being exploited?
There is no known exploitation of CVE-2004-0949 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-pj7f-5c59-qj9r.