Linux Kernel up to 6.19.11 HID Core Resulting out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 6.19.11. The impacted element is an unknown function of the component HID Core Resulting. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2026-43047. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.19.11. It has been rated as critical. This issue affects some unknown functionality of the component HID Core Resulting. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Check to ensure report responses match the request It is possible for a malicious (or clumsy) device to respond to a specific report's feature request using a completely different report ID. This can cause confusion in the HID core resulting in nasty side-effects such as OOB writes. Add a check to ensure that the report ID in the response, matches the one that was requested. If it doesn't, omit reporting the raw event and return early.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-43047 since 05/01/2026. The exploitation is known to be easy. 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 05/28/2026).

The vulnerability scanner Nessus provides a plugin with the ID 316948 (Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1746)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.253, 5.15.203, 6.1.168, 6.6.134, 6.12.81, 6.18.22 or 6.19.12 eliminates this vulnerability. Applying the patch 516da3f25cfe18643835af1cf09b0e9ffc36c383/a61163daf8a90b4a7ef154d5fc9c525f665734e3/74c6015375d8b9bc1b1eb79f20636c8e894bcad7/c7a27bb4d0f6573ca0f9c7ef0b63291486239190/6a4acd3e86fe5584050c213d95147eba33856033/7f66fdbc077faed3b52519228d21d81979e92249/2edc92f89eee328b5be5706b5d431bf90669e9c0/e716edafedad4952fe3a4a273d2e039a84e8681a 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 databases at Tenable (316948) and EUVD (EUVD-2026-26646). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316948
Nessus Name: Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1746)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.253/5.15.203/6.1.168/6.6.134/6.12.81/6.18.22/6.19.12
Patch: 516da3f25cfe18643835af1cf09b0e9ffc36c383/a61163daf8a90b4a7ef154d5fc9c525f665734e3/74c6015375d8b9bc1b1eb79f20636c8e894bcad7/c7a27bb4d0f6573ca0f9c7ef0b63291486239190/6a4acd3e86fe5584050c213d95147eba33856033/7f66fdbc077faed3b52519228d21d81979e92249/2edc92f89eee328b5be5706b5d431bf90669e9c0/e716edafedad4952fe3a4a273d2e039a84e8681a

Timelineinfo

05/01/2026 Advisory disclosed
05/01/2026 +0 days CVE reserved
05/01/2026 +0 days VulDB entry created
05/28/2026 +27 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-43047 (🔒)
GCVE (CVE): GCVE-0-2026-43047
GCVE (VulDB): GCVE-100-360719
EUVD: 🔒

Entryinfo

Created: 05/01/2026 18:15
Updated: 05/28/2026 06:50
Changes: 05/01/2026 18:15 (58), 05/03/2026 02:30 (1), 05/28/2026 06:50 (2)
Complete: 🔍
Cache ID: 216::103

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