CVE-2021-30845 Information disclosure in macOS

Medium 5.5 Published Updated

A local attacker can read kernel memory due to an out-of-bounds read in macOS, potentially exposing sensitive system data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-30845?

CVE-2021-30845 is a medium-severity vulnerability in Apple Macos, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

Weakness: CWE-125

Which versions are affected by CVE-2021-30845?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2021-30845?

No fix has been published for CVE-2021-30845 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30845 being exploited?

There is no known exploitation of CVE-2021-30845 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-hfx3-2rg5-4pq4.

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