Apple macOS GPU Drivers memory corruption

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple macOS. This affects an unknown part of the component GPU Drivers. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2022-32821. The attack is restricted to local execution. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS (Operating System) (affected version unknown). Affected by this vulnerability is an unknown functionality of the component GPU Drivers. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A memory corruption issue was addressed with improved validation. This issue is fixed in watchOS 8.7, tvOS 15.6, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5. An app may be able to execute arbitrary code with kernel privileges.

The weakness was disclosed 07/20/2022 by John Aakerblom as HT213345 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2022-32821. Neither technical details nor an exploit are publicly available. The advisory points out:

An app may be able to execute arbitrary code with kernel privileges

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved validation.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35887). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/09/2022 🔍
07/20/2022 +41 days 🔍
07/20/2022 +0 days 🔍
07/22/2022 +2 days 🔍
05/23/2025 +1036 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213345
Researcher: John Aakerblom
Status: Confirmed

CVE: CVE-2022-32821 (🔍)
GCVE (CVE): GCVE-0-2022-32821
GCVE (VulDB): GCVE-100-204877
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/22/2022 11:28
Updated: 05/23/2025 04:49
Changes: 07/22/2022 11:28 (17), 07/22/2022 11:31 (29), 08/20/2022 09:07 (1), 05/22/2025 21:37 (15), 05/23/2025 04:49 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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