CVE-2010-2248 Denial of service in n/a
Remote attackers can cause a Linux kernel panic via malformed SMB response packets in the CIFS implementation, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-2248?
CVE-2010-2248 is a high-severity denial of service vulnerability in Linux kernel, published on 7 Sep 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel before 2.6.34-rc4 allows remote attackers to cause a denial of service (panic) via an SMB response packet with an invalid CountHigh value, as demonstrated by a response from an OS/2 server, related to the CIFSSMBWrite and CIFSSMBWrite2 functions.
Weakness: CWE-20
Which versions are affected by CVE-2010-2248?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2010-2248?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2010-2248 being exploited?
There is no known exploitation of CVE-2010-2248 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-c293-7x5q-2qjq.