CVE-2023-21400
"Io_uring Local Kernel Privilege Escalation"
Description
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
INFO
Published Date :
July 13, 2023, 12:15 a.m.
Last Modified :
Jan. 19, 2024, 4:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2023-21400 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-2023-21400.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html | Third Party Advisory VDB Entry |
| http://www.openwall.com/lists/oss-security/2023/07/14/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2023/07/19/2 | Exploit Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2023/07/19/7 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2023/07/25/7 | Mailing List |
| https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20240119-0012/ | |
| https://source.android.com/security/bulletin/pixel/2023-07-01 | Vendor Advisory |
| https://www.debian.org/security/2023/dsa-5480 | 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).
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-2023-21400 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-21400 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]
Jan. 19, 2024
Action Type Old Value New Value Added Reference Android (associated with Google Inc. or Open Handset Alliance) https://security.netapp.com/advisory/ntap-20240119-0012/ [No types assigned] -
Modified Analysis by [email protected]
Oct. 26, 2023
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html No Types Assigned http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html Third Party Advisory, VDB Entry Changed Reference Type http://www.openwall.com/lists/oss-security/2023/07/25/7 No Types Assigned http://www.openwall.com/lists/oss-security/2023/07/25/7 Mailing List Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2023/dsa-5480 No Types Assigned https://www.debian.org/security/2023/dsa-5480 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 20, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 11, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 19, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5480 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 25, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/07/25/7 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 20, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2023/07/14/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/07/14/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2023/07/19/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/07/19/2 Exploit, Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2023/07/19/7 No Types Assigned http://www.openwall.com/lists/oss-security/2023/07/19/7 Mailing List, Third Party Advisory Changed Reference Type https://source.android.com/security/bulletin/pixel/2023-07-01 No Types Assigned https://source.android.com/security/bulletin/pixel/2023-07-01 Vendor Advisory Added CWE NIST CWE-667 Added CPE Configuration OR *cpe:2.3:o:google:android:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 19, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/07/19/7 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 19, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/07/19/2 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 14, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/07/14/2 [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-2023-21400 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-2023-21400
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
0.05726
percentile