CVE-2023-45898
Summary
| CVE | CVE-2023-45898 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-10-16 03:15:09 UTC |
| Updated | 2026-05-12 11:16:14 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000120000 probability, percentile 0.017250000 (date 2026-05-12)
Problem Types: CWE-416 | n/a | CWE-416 CWE-416 Use After Free
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | N/a | affected n/a | Not specified |
| ADP | Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem | affected * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/html/ssa-398330.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| LKML: Yikebaer Aizezi: KASAN: slab-use-after-free Read in ext4_es_insert_extent | af854a3a-2127-422b-91ae-364da2661108 | lkml.org | Mailing List, Patch |
| cert-portal.siemens.com/productcert/html/ssa-265688.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| ext4: fix slab-use-after-free in ext4_es_insert_extent() · torvalds/linux@768d612 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch |
| [PATCH] ext4: fix slab-use-after-free in ext4_es_insert_extent() | af854a3a-2127-422b-91ae-364da2661108 | lore.kernel.org | Third Party Advisory |
| cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4 | af854a3a-2127-422b-91ae-364da2661108 | cdn.kernel.org | Release Notes |
| Patch "ext4: fix slab-use-after-free in ext4_es_insert_extent()" has been added to the 6.5-stable tree — Linux Stable Commits | af854a3a-2127-422b-91ae-364da2661108 | www.spinics.net | Mailing List, Patch, Third Party Advisory |
| [PATCH] ext4: fix slab-use-after-free in ext4_es_insert_extent() | MITRE | lore.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.