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CVE-2023-41974 is a kernel use-after-free vulnerability in iOS and iPadOS, reported in the Kernel component and associated in public reporting with IOSurfaceRoot. The flaw stems from improper object lifetime handling that can lead to memory corruption after a freed object is reused. Apple states the issue was addressed through improved memory management. Successful exploitation can allow a malicious application to execute arbitrary code with kernel privileges. Public reporting also describes the vulnerability as a kernel privilege-escalation component used in the Coruna exploit chain.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
46 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An iOS kernel privilege escalation vulnerability used in Coruna Stage 3 to obtain root and deploy the PLASMAGRID implant.
A privilege escalation vulnerability included in the Coruna iOS exploit kit.
A security flaw for which Apple expanded patches; the flaw was weaponized as part of the Coruna exploit kit.
A kernel use-after-free vulnerability in iOS used as the kernel privilege escalation component of the Coruna exploit chain.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.