7.8
HIGH CVSS 3.1
CVE-2023-26544
Linux kernel NTFS sector size media size Use After Free Vulnerability
Description

In the Linux kernel 6.0.8, there is a use-after-free in run_unpack in fs/ntfs3/run.c, related to a difference between NTFS sector size and media sector size.

INFO

Published Date :

Feb. 25, 2023, 4:15 a.m.

Last Modified :

May 5, 2025, 4:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2023-26544 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.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
The Linux kernel is affected by a use-after-free vulnerability; update the kernel.
  • Update the Linux kernel package.
  • Reboot the system after the update.
Public PoC/Exploit Available at Github

CVE-2023-26544 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-26544 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-2023-26544 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).

Linux Kernel Fuzzer Corpus

healer syzkaller

Python

Updated: 17 hours, 46 minutes ago
145 stars 18 fork 18 watcher
Born at : March 22, 2023, 8:21 p.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-26544 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-26544 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

    May. 05, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1208697
    Added Reference https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=887bfc546097fbe8071dac13b2fef73b77920899
    Added Reference https://lkml.org/lkml/2023/2/20/128
    Added Reference https://security.netapp.com/advisory/ntap-20230316-0010/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 25, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=887bfc546097fbe8071dac13b2fef73b77920899 [No types assigned]
    Added Reference MITRE https://bugzilla.suse.com/show_bug.cgi?id=1208697 [No types assigned]
  • Modified Analysis by [email protected]

    Jun. 26, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lkml.org/lkml/2023/2/20/128 Exploit, Mailing List https://lkml.org/lkml/2023/2/20/128 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20230316-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20230316-0010/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.0.8:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.87 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.0.17 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.1 up to (excluding) 6.1.3
  • CVE Modified by [email protected]

    Mar. 16, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230316-0010/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 03, 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://lkml.org/lkml/2023/2/20/128 No Types Assigned https://lkml.org/lkml/2023/2/20/128 Exploit, Mailing List
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.0.8:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
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

0.02497

percentile