CVE-2023-4569
Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c
Description
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
INFO
Published Date :
Aug. 28, 2023, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 8:35 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2023-4569
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 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected kernel packages.
- Reboot the system after updating the packages.
Public PoC/Exploit Available at Github
CVE-2023-4569 has a 2 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-2023-4569.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-4569 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2235470 | Issue Tracking Patch Third Party Advisory |
| https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/ | Mailing List Patch |
| https://www.debian.org/security/2023/dsa-5492 | Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2023-4569 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2235470 | Issue Tracking Patch Third Party Advisory |
| https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/ | Mailing List Patch |
| https://www.debian.org/security/2023/dsa-5492 | 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-2023-4569 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-2023-4569
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).
Part of project for universtity. Main goal is to create automatic alreadry hardened cluster deployment in vmware environment with rancher orchiestrator.
Shell Python
None
Shell 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-2023-4569 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-4569 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://access.redhat.com/security/cve/CVE-2023-4569 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2235470 Added Reference https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/ Added Reference https://www.debian.org/security/2023/dsa-5492 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-402 -
Modified Analysis by [email protected]
Nov. 04, 2023
Action Type Old Value New Value Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2235470 Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2235470 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.debian.org/security/2023/dsa-5492 No Types Assigned https://www.debian.org/security/2023/dsa-5492 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 *cpe:2.3:o:linux:linux_kernel:6.5:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 23, 2023
Action Type Old Value New Value Changed Description A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause a double-deactivations of catchall elements, which results in a memory leak. A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak. -
CVE Modified by [email protected]
Sep. 10, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5492 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 01, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4569 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-4569 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2235470 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2235470 Issue Tracking, Third Party Advisory Changed Reference Type https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/ No Types Assigned https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/ Mailing List, Patch Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 *cpe:2.3:o:linux:linux_kernel:6.5:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.01 }} 0.00%
score
0.01275
percentile