CVE-2023-6270
Kernel: aoe: improper reference count leads to use-after-free vulnerability
Description
A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution.
INFO
Published Date :
Jan. 4, 2024, 5:15 p.m.
Last Modified :
Feb. 18, 2026, 6:24 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2023-6270
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 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel to address this vulnerability.
- Reboot the system after the kernel update is complete.
Public PoC/Exploit Available at Github
CVE-2023-6270 has a 3 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-2023-6270.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-6270 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2256786 | Issue TrackingThird Party Advisory |
| https://access.redhat.com/security/cve/CVE-2023-6270 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2256786 | Issue TrackingThird Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html | 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-2023-6270 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-2023-6270
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).
This is a warrior's private repository, and every file in this repository belongs solely to me.
Shell
None
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-6270 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-6270 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]
Feb. 18, 2026
Action Type Old Value New Value Added CWE CWE-911 Removed CWE CWE-416 -
CVE Modified by [email protected]
Aug. 30, 2025
Action Type Old Value New Value Removed Reference https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/block/aoe?h=v6.9&id=f98364e926626c678fb4b9004b75cacf92ff0662 Removed Reference Type https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/block/aoe?h=v6.9&id=f98364e926626c678fb4b9004b75cacf92ff0662 Types: Patch -
Reanalysis by [email protected]
May. 22, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
Modified Analysis by [email protected]
May. 22, 2025
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.9 Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Types: Third Party Advisory Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html Types: Third Party Advisory Added Reference Type Red Hat, Inc.: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/block/aoe?h=v6.9&id=f98364e926626c678fb4b9004b75cacf92ff0662 Types: Patch -
CVE Modified by [email protected]
Apr. 14, 2025
Action Type Old Value New Value Added Reference https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/block/aoe?h=v6.9&id=f98364e926626c678fb4b9004b75cacf92ff0662 -
CVE Modified by [email protected]
Feb. 07, 2025
Action Type Old Value New Value Removed Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Removed Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html -
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-2023-6270 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2256786 Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html -
CVE Modified by [email protected]
Jun. 27, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html [No types assigned] -
CVE Modified by [email protected]
Jun. 25, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html [No types assigned] -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 10, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-6270 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-6270 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2256786 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2256786 Issue Tracking, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* -
CVE Received by [email protected]
Jan. 04, 2024
Action Type Old Value New Value Added Description A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution. Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-6270 [No types assigned] Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2256786 [No types assigned] Added CWE Red Hat, Inc. CWE-416 Added CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Scoring Details
Base CVSS Score: 7
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.02 }} 0.00%
score
0.05431
percentile