CVE-2010-2798 Null dereference in n/a
Local attackers can cause a kernel panic and denial of service by renaming files in a GFS2 filesystem due to a null pointer dereference.
- 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-2010-2798?
CVE-2010-2798 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 8 Sep 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The gfs2_dirent_find_space function in fs/gfs2/dir.c in the Linux kernel before 2.6.35 uses an incorrect size value in calculations associated with sentinel directory entries, which allows local users to cause a denial of service (NULL pointer dereference and panic) and possibly have unspecified other impact by renaming a file in a GFS2 filesystem, related to the gfs2_rename function in fs/gfs2/ops_inode.c.
Weakness: CWE-476
Which versions are affected by CVE-2010-2798?
It affects 15 products.
Products include Avaya Aura Communication Manager, Avaya Aura Presence Services, Avaya Aura Session Manager, Avaya Aura System Manager, Avaya Aura System Platform, Avaya Iq and 9 more.
How do I fix CVE-2010-2798?
Upgrade to a fixed version.
Is CVE-2010-2798 being exploited?
There is no known exploitation of CVE-2010-2798 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
- CVE-2010-2943 Information disclosure in n/a
- CVE-2010-2492 Memory corruption in n/a
- CVE-2022-2249 Avaya Aura Communication Manager Privilege Escalation Vulnerabilities
- CVE-2018-15617 Communication Manager Denial of Service
- CVE-2020-7029 Avaya Product System Management Interface Cross-Site Request Forgery Vulnerability
Sources
Also known as GHSA-vhhv-wfqv-m6p9.