VDB-366213 · CVE-2026-45937 · GCVE-0-2026-45937

Linux Kernel up to 6.18.13/6.19.3 crypto denial of service

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.18.13/6.19.3. Affected by this issue is some unknown functionality of the component crypto. Performing a manipulation results in denial of service. This vulnerability was named CVE-2026-45937. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.18.13/6.19.3. This affects an unknown functionality of the component crypto. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: crypto: inside-secure/eip93 - fix kernel panic in driver detach During driver detach, the same hash algorithm is unregistered multiple times due to a wrong iterator.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-45937 since 05/13/2026. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.18.14 or 6.19.4 eliminates this vulnerability. Applying the patch 7530c3595d1e23bc5938cbd44b7e8f33457fc71f/91c6f25075a8f8fbd7316d73e1edf281a94f78df/b6e32ba6d32503440a3e3e16c8d0521cbb7e0c5d 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.

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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: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Denial of service
CWE: CWE-404
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: 7530c3595d1e23bc5938cbd44b7e8f33457fc71f/91c6f25075a8f8fbd7316d73e1edf281a94f78df/b6e32ba6d32503440a3e3e16c8d0521cbb7e0c5d

Timelineinfo

05/13/2026 CVE reserved
05/27/2026 +14 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
06/25/2026 +28 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-45937 (🔒)
GCVE (CVE): GCVE-0-2026-45937
GCVE (VulDB): GCVE-100-366213

Entryinfo

Created: 05/27/2026 17:14
Updated: 06/25/2026 00:57
Changes: 05/27/2026 17:14 (58), 06/25/2026 00:57 (10)
Complete: 🔍
Cache ID: 216::103