CVE-2022-4744
Linux Kernel TUN/TAP Double-Free Local Privilege Escalation
Description
A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.
INFO
Published Date :
March 30, 2023, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 3:58 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2022-4744 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-2022-4744.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html | Third Party Advisory VDB Entry |
| https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20230526-0009/ | Third Party Advisory |
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).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-4744 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-4744 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]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-824 -
Modified Analysis by [email protected]
Jun. 26, 2023
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html No Types Assigned http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html Third Party Advisory, VDB Entry Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20230526-0009/ No Types Assigned https://security.netapp.com/advisory/ntap-20230526-0009/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.136 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.12 -
CVE Modified by [email protected]
May. 26, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230526-0009/ [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 18, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 07, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e Vendor Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-4744 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-2022-4744
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
0.05673
percentile