CVE-2023-2612
Ubuntu Linux Kernel Shiftfs File System Denial of Service Vulnerability
Description
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
INFO
Published Date :
May 31, 2023, 12:15 a.m.
Last Modified :
June 22, 2023, 3:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2023-2612 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-2023-2612.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html | |
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e | Mailing List Patch |
| https://ubuntu.com/security/CVE-2023-2612 | Vendor Advisory |
| https://ubuntu.com/security/notices/USN-6122-1 | Vendor Advisory |
| https://ubuntu.com/security/notices/USN-6123-1 | Vendor Advisory |
| https://ubuntu.com/security/notices/USN-6124-1 | Vendor Advisory |
| https://ubuntu.com/security/notices/USN-6127-1 | Vendor 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).
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-2023-2612 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-2612 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]
Jun. 22, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 07, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e No Types Assigned https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e Mailing List, Patch Changed Reference Type https://ubuntu.com/security/CVE-2023-2612 No Types Assigned https://ubuntu.com/security/CVE-2023-2612 Vendor Advisory Changed Reference Type https://ubuntu.com/security/notices/USN-6122-1 No Types Assigned https://ubuntu.com/security/notices/USN-6122-1 Vendor Advisory Changed Reference Type https://ubuntu.com/security/notices/USN-6123-1 No Types Assigned https://ubuntu.com/security/notices/USN-6123-1 Vendor Advisory Changed Reference Type https://ubuntu.com/security/notices/USN-6124-1 No Types Assigned https://ubuntu.com/security/notices/USN-6124-1 Vendor Advisory Changed Reference Type https://ubuntu.com/security/notices/USN-6127-1 No Types Assigned https://ubuntu.com/security/notices/USN-6127-1 Vendor Advisory Added CWE NIST CWE-667 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:* -
CVE Modified by [email protected]
Jun. 06, 2023
Action Type Old Value New Value Added Reference https://ubuntu.com/security/notices/USN-6127-1 [No Types Assigned] Added Reference https://ubuntu.com/security/notices/USN-6123-1 [No Types Assigned] Added Reference https://ubuntu.com/security/notices/USN-6122-1 [No Types Assigned] Added Reference https://ubuntu.com/security/notices/USN-6124-1 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-2612 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-2023-2612
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
0.05676
percentile