CVE-2021-3600
Linux eBPF Bounds Tracking Vulnerability
Description
It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.
INFO
Published Date :
Jan. 8, 2024, 7:15 p.m.
Last Modified :
Sept. 4, 2024, 4:35 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-3600 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-3600
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.
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-2021-3600.
| URL | Resource |
|---|---|
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 | Product |
| https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 | Mailing List Patch Vendor Advisory |
| https://ubuntu.com/security/notices/USN-5003-1 | 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).
Map Vulnerabilities into Different Layers of the Container Image
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-2021-3600 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3600 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 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 04, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-125 Added CWE CISA-ADP CWE-787 Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
Reanalysis by [email protected]
Aug. 22, 2024
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14 up to (excluding) 4.19.206 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.98 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.16 *cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc7:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.115 up to (excluding) 4.14.308 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.206 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.98 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.16 *cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc7:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 11, 2024
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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 No Types Assigned https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 Product Changed Reference Type https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 No Types Assigned https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 Mailing List, Patch, Vendor Advisory Changed Reference Type https://ubuntu.com/security/notices/USN-5003-1 No Types Assigned https://ubuntu.com/security/notices/USN-5003-1 Third Party Advisory Added CWE NIST CWE-787 Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14 up to (excluding) 4.19.206 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.98 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.16 *cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.11:rc7:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* -
CVE Received by [email protected]
Jan. 08, 2024
Action Type Old Value New Value Added Description It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code. Added Reference Canonical Ltd. https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 [No types assigned] Added Reference Canonical Ltd. https://ubuntu.com/security/notices/USN-5003-1 [No types assigned] Added Reference Canonical Ltd. https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 [No types assigned] Added CVSS V3.1 Canonical Ltd. AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3600 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-2021-3600
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
0.05744
percentile