VDB-366144 · CVE-2026-45896 · WID-SEC-2026-1700

Linux Kernel up to 6.18.13/6.19.3 mtd_intel_dg.c out-of-bounds

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5.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.18.13/6.19.3. This impacts an unknown function of the file drivers/mtd/devices/mtd_intel_dg.c. The manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2026-45896. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.13/6.19.3. It has been classified as problematic. Affected is some unknown functionality of the file drivers/mtd/devices/mtd_intel_dg.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: [] UBSAN: array-index-out-of-bounds in drivers/mtd/devices/mtd_intel_dg.c:750:15 [] index 0 is out of range for type '<unknown> [*]' Fix it by also fixing an undesired behavior: the loop silently ignores ENOMEM and continues setting the other entries.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-45896 since 05/13/2026. There are known technical details, but no exploit is available.

Upgrading to version 6.18.14 or 6.19.4 eliminates this vulnerability. Applying the patch 721bd22bcf45a63ebd9bd0f478ef721b45cc5383/d58fca8513414b15387460b14a7a0a30405b9c9e/779c59274d03cc5c07237a2c845dfb71cff77705 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1700). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Google Container-Optimized OS
Debian Linux
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
SUSE openSUSE
RESF Rocky Linux
Open Source Linux Kernel

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.18.14/6.19.4
Patch: 721bd22bcf45a63ebd9bd0f478ef721b45cc5383/d58fca8513414b15387460b14a7a0a30405b9c9e/779c59274d03cc5c07237a2c845dfb71cff77705

Timelineinfo

05/13/2026 CVE reserved
05/27/2026 +14 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
06/26/2026 +30 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-45896 (🔒)
GCVE (CVE): GCVE-0-2026-45896
GCVE (VulDB): GCVE-100-366144
CERT Bund: WID-SEC-2026-1700 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/27/2026 16:57
Updated: 06/26/2026 08:36
Changes: 05/27/2026 16:57 (58), 06/15/2026 05:30 (7), 06/23/2026 00:57 (1), 06/26/2026 08:36 (12)
Complete: 🔍
Cache ID: 216::103

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