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Use-After-Free in Apple iOS, iPadOS, and macOS Kernel

IdentifiersCVE-2023-41995CWE-416· Use After Free

CVE-2023-41995 is a use-after-free vulnerability in Apple platforms that was fixed in iOS 17, iPadOS 17, and macOS Sonoma 14. Apple states that the issue was addressed with improved memory management and that exploitation may allow an application to execute arbitrary code with kernel privileges. Based on the vendor description, the flaw involves improper lifetime management of memory in a kernel-reachable component, creating a condition where freed memory can be reused in a way that enables controlled corruption or code execution in kernel context. The specific vulnerable function or subsystem is not identified in the provided content.

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For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation may allow a local application to achieve arbitrary code execution in the kernel, resulting in full compromise of the affected device. Kernel-level execution can enable complete privilege escalation, bypass of application sandboxing and security boundaries, tampering with kernel state, installation of persistent components, access to sensitive data, and potential disabling of security controls.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure by limiting installation and execution of untrusted or unnecessary applications, enforcing application allowlisting or MDM controls where available, and restricting local code execution to trusted software only. These measures are only partial mitigations; the definitive mitigation is installation of Apple's security update.

Remediation

Patch, then assume compromise.

Apply the vendor-provided fixes by upgrading affected systems to iOS 17, iPadOS 17, or macOS Sonoma 14, or later versions that include Apple's patch for CVE-2023-41995. Because the issue is in kernel context and can lead to arbitrary code execution, patching should be prioritized on all supported devices.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AppleIpadosoperating_system
AppleIphone Osoperating_system
AppleMacosoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

Use-After-Free in Apple iOS, iPadOS, and macOS Kernel (CVE-2023-41995) | Mallory