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FreeBSD Security Advisory (FreeBSD-SA-04:02.shmat.asc)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-04:02.shmat.asc
Insight
Insight
The System V Shared Memory interface provides primitives for sharing memory segments between separate processes. FreeBSD supports this interface when the kernel is built with SYSVSHM option, or the sysvshm module is loaded. By default, the FreeBSD kernel is built with the SYSVSHM option. The shmat(2) system call, which is part of the System V Shared Memory interface, is used to attach a shared memory segment to the calling process's address space. A programming error in the shmat(2) system call can result in a shared memory segment's reference count being erroneously incremented.
Solution
Solution
Upgrade your system to the appropriate stable release or security branch dated after the correction date https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-04:02.shmat.asc