CVE-2023-45898

7.8 HIGH
Published: October 16, 2023 Modified: May 12, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
Source: cve@mitre.org
Release Notes
https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec
Source: cve@mitre.org
Patch
https://lkml.org/lkml/2023/8/13/477
Source: cve@mitre.org
Mailing List Patch
https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/
Source: cve@mitre.org
Third Party Advisory
https://www.spinics.net/lists/stable-commits/msg317086.html
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://lkml.org/lkml/2023/8/13/477
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch
https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.spinics.net/lists/stable-commits/msg317086.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.3%
19th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416 CWE-416

Affected Vendors

linux

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