Apple watchOS Kernel Memory out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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2.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple watchOS. Affected is an unknown function of the component Kernel Memory Handler. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2025-43374. It is possible to launch the attack on the physical device. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple watchOS (affected version unknown). This issue affects an unknown functionality of the component Kernel Memory Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, macOS Sequoia 15.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2025-43374 since 04/16/2025. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-198518). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
11/22/2025 +220 days Advisory disclosed
11/22/2025 +0 days VulDB entry created
11/23/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43374 (🔒)
GCVE (CVE): GCVE-0-2025-43374
GCVE (VulDB): GCVE-100-333299
EUVD: 🔒

Entryinfo

Created: 11/22/2025 08:47
Updated: 11/23/2025 14:58
Changes: 11/22/2025 08:47 (54), 11/23/2025 14:58 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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