CVE-2006-1524 Security feature bypass in n/a

Low 3.6 Published Updated

Local attackers can bypass IPC permissions to modify read-only tmpfs files by exploiting a flaw in the madvise_remove function.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2006-1524?

CVE-2006-1524 is a low-severity vulnerability in Linux kernel, published on 19 Apr 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

madvise_remove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADV_REMOVE vulnerability. NOTE: this description was originally written in a way that combined two separate issues. The mprotect issue now has a separate name, CVE-2006-2071.

Weakness: CWE-264

Which versions are affected by CVE-2006-1524?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-1524?

Apply the vendor's patch.

Is CVE-2006-1524 being exploited?

There is no known exploitation of CVE-2006-1524 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-rwgw-cg95-rx8r.

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