CVE-2009-2793 Privilege escalation in n/a
Local attackers can exploit a kernel flaw in NetBSD to gain elevated privileges via improper handling of iret instruction failures.
- 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-2009-2793?
CVE-2009-2793 is a medium-severity vulnerability in Netbsd Netbsd, published on 18 Sep 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.
Weakness: CWE-264
Which versions are affected by CVE-2009-2793?
It affects 1 product.
Products include Netbsd Netbsd.
How do I fix CVE-2009-2793?
No fix has been published for CVE-2009-2793 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-2793 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2793 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Netbsd Netbsd
Sources
Also known as GHSA-4w46-vcfx-xvfg.