CVE-2009-1897
Linux tun subsystem Null Pointer Dereference Privilege Escalation Vulnerability
Description
The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894.
INFO
Published Date :
July 20, 2009, 5:30 p.m.
Last Modified :
Feb. 13, 2023, 2:20 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.4
Public PoC/Exploit Available at Github
CVE-2009-1897 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2009-1897.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A collection of links related to Linux kernel security and exploitation
linux-kernel kernel-exploitation exploit privilege-escalation security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2009-1897 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2009-1897 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13 [Exploit, Patch, Vendor Advisory] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 21, 2019
Action Type Old Value New Value Added Reference https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations [No Types Assigned] -
CVE Modified by [email protected]
Aug. 17, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/51803 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/51803 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 20, 2009
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2009-1897 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2009-1897
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.00501
percentile