CVE-2023-45898
Linux Kernel ES1 Use-After-Free Vuln in Ext4
Description
The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.
INFO
Published Date :
Oct. 16, 2023, 3:15 a.m.
Last Modified :
May 5, 2025, 2:12 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| 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
- Update the Linux kernel package.
- Reboot the system to apply the update.
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-2023-45898.
| URL | Resource |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 | Release Notes |
| https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec | Patch |
| https://lkml.org/lkml/2023/8/13/477 | Mailing List Patch |
| https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ | Third Party Advisory |
| https://www.spinics.net/lists/stable-commits/msg317086.html | Mailing List Patch Third Party Advisory |
| https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 | Release Notes |
| https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec | Patch |
| https://lkml.org/lkml/2023/8/13/477 | Mailing List Patch |
| https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ | Third Party Advisory |
| https://www.spinics.net/lists/stable-commits/msg317086.html | Mailing List Patch 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-2023-45898 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-2023-45898
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-45898 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-45898 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.
-
Modified Analysis by [email protected]
May. 05, 2025
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 01, 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://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 Added Reference https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec Added Reference https://lkml.org/lkml/2023/8/13/477 Added Reference https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ Added Reference https://www.spinics.net/lists/stable-commits/msg317086.html -
Modified Analysis by [email protected]
Aug. 26, 2024
Action Type Old Value New Value Changed Reference Type https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ No Types Assigned https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.5 up to (excluding) 6.5.4 -
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 Reference MITRE https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/ [No types assigned] Removed Reference MITRE https://lore.kernel.org/lkml/[email protected]/T/ -
Initial Analysis by [email protected]
Oct. 19, 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://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 Release Notes Changed Reference Type https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec No Types Assigned https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec Patch Changed Reference Type https://lkml.org/lkml/2023/8/13/477 No Types Assigned https://lkml.org/lkml/2023/8/13/477 Mailing List, Patch Changed Reference Type https://lore.kernel.org/lkml/[email protected]/T/ No Types Assigned https://lore.kernel.org/lkml/[email protected]/T/ Mailing List, Patch Changed Reference Type https://www.spinics.net/lists/stable-commits/msg317086.html No Types Assigned https://www.spinics.net/lists/stable-commits/msg317086.html Mailing List, Patch, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5.4
Vulnerability Scoring Details
Base CVSS Score: 7.8
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
0.01726
percentile