VDB-363543 · CVE-2026-43485 · WID-SEC-2026-1531

Linux Kernel up to 6.18.18/6.19.8 privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.18.18/6.19.8. It has been classified as critical. This issue affects some unknown processing. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2026-43485. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.18/6.19.8. It has been classified as critical. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: nouveau/gsp: drop WARN_ON in ACPI probes These WARN_ONs seem to trigger a lot, and we don't seem to have a plan to fix them, so just drop them, as they are most likely harmless.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-43485 since 05/01/2026. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/23/2026).

Upgrading to version 6.18.19 or 6.19.9 eliminates this vulnerability. Applying the patch 214b6bde0e941a34ba877cf2f26f85d62fb5d598/d1c991c860496d97044802ea54b30f20db468c1d/9478c166c46934160135e197b049b5a05753f2ad 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-2026-1531). Be aware that VulDB is the high quality source for vulnerability data.

Affected

Google Container-Optimized OS
Debian Linux
SUSE Linux
Oracle Linux
Open Source Linux Kernel
Ubuntu Linux

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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒