CVE-2023-3812
Linux TUN/TAP Device Driver Out-of-Bounds Memory Access Vulnerability
Description
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
INFO
Published Date :
July 24, 2023, 4:15 p.m.
Last Modified :
April 25, 2024, 1:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2023-3812.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-3812 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-3812 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. 23, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 25, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1961 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2006 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2008 [No types assigned] -
CVE Modified by [email protected]
Jan. 30, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0562 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0563 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0575 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0593 [No types assigned] -
CVE Modified by [email protected]
Jan. 30, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0554 [No types assigned] -
CVE Modified by [email protected]
Jan. 25, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0412 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0461 [No types assigned] -
CVE Modified by [email protected]
Jan. 25, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0340 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0378 [No types assigned] -
CVE Modified by [email protected]
Jan. 03, 2024
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-787 Removed CWE Red Hat, Inc. CWE-416 -
Modified Analysis by [email protected]
Dec. 29, 2023
Action Type Old Value New Value Changed Reference Type https://access.redhat.com/errata/RHSA-2023:6799 No Types Assigned https://access.redhat.com/errata/RHSA-2023:6799 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:6813 No Types Assigned https://access.redhat.com/errata/RHSA-2023:6813 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7370 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7370 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7379 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7379 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7382 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7382 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7389 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7389 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7411 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7411 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7418 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7418 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7548 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7548 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7549 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7549 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7554 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7554 Third Party Advisory, VDB Entry Added CWE NIST CWE-416 Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 6.0.19 *cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.265 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.224 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.154 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.78 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.0.8 -
CVE Modified by [email protected]
Nov. 29, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7554 [No types assigned] -
CVE Modified by [email protected]
Nov. 28, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7548 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7549 [No types assigned] -
CVE Modified by [email protected]
Nov. 21, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7370 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7382 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7389 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7411 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7418 [No types assigned] -
CVE Modified by [email protected]
Nov. 21, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7379 [No types assigned] -
CVE Modified by [email protected]
Nov. 08, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:6799 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:6813 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-416 -
Initial Analysis by [email protected]
Aug. 02, 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://access.redhat.com/security/cve/CVE-2023-3812 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-3812 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2224048 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2224048 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0 Patch Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 6.0.19 *cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-3812 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-2023-3812
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14453
percentile