CVE-2009-1238 Race condition in n/a

What is CVE-2009-1238?

CVE-2009-1238 is a high-severity vulnerability in Apple Mac Os X, published on 2 Apr 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in the HFS vfs sysctl interface in XNU 1228.8.20 and earlier on Apple Mac OS X 10.5.6 and earlier allows local users to cause a denial of service (kernel memory corruption) by simultaneously executing the same HFS_SET_PKG_EXTENSIONS code path in multiple threads, which is problematic because of lack of mutex locking for an unspecified global variable.

Weakness: CWE-362

Which versions are affected by CVE-2009-1238?

It affects 2 products.

Products include Apple Mac Os X, Apple Mac Os X Server.

How do I fix CVE-2009-1238?

No fix has been published for CVE-2009-1238 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-1238 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1238 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Apple Mac Os X

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• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r3mv-rfx2-rf55.