CVE-2022-1786
Linux Kernel io_uring Use-After-Free Vulnerability
Description
A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.
INFO
Published Date :
June 2, 2022, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 6:41 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2022-1786
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the affected Linux packages.
- Update the kernel packages.
- Reboot the system after the update.
Public PoC/Exploit Available at Github
CVE-2022-1786 has a 10 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-2022-1786.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2087760 | Issue Tracking Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220722-0001/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5161 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2087760 | Issue Tracking Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220722-0001/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5161 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-1786 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-2022-1786
weaknesses.
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).
Forked from https://github.com/0xor0ne/awesome-list.git
Forked from https://github.com/0xor0ne/awesome-list.git
None
None
Exploit for Real World CTF 6th RIPTC.
C
Demonstration of the RetSpill attack
Shell Makefile C Batchfile
Heap Exploitation Resources
None
Cybersecurity oriented awesome list
awesome awesome-list cybersecurity exploitation reverse-engineering
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-2022-1786 vulnerability anywhere in the article.
-
Daily CyberSecurity
Critical Flaw Exposes Linux Security Blind Spot: io_uring Bypasses Detection
ARMO researchers have uncovered a critical weakness in Linux runtime security tools, revealing how the io_uring interface enables rootkits to operate undetected by conventional monitoring solutions. T ... Read more
The following table lists the changes that have been made to the
CVE-2022-1786 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2087760 Added Reference https://security.netapp.com/advisory/ntap-20220722-0001/ Added Reference https://www.debian.org/security/2022/dsa-5161 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Mar. 01, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.12 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.12 -
Modified Analysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20220722-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20220722-0001/ Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 22, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220722-0001/ [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 13, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) 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://bugzilla.redhat.com/show_bug.cgi?id=2087760 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2087760 Issue Tracking, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5161 No Types Assigned https://www.debian.org/security/2022/dsa-5161 Third Party Advisory Added CWE NIST CWE-843 Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.12 -
CVE Modified by [email protected]
Jun. 13, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5161 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 7.8
Base CVSS Score: 7.2
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.05 }} 0.14%
score
0.76555
percentile