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FreeBSD Security Advisory (FreeBSD-SA-03:16.filedesc.asc)

Information

Severity

Severity

Critical

Family

Family

FreeBSD Local Security Checks

CVSSv2 Base

CVSSv2 Base

9.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

15 years ago

Modified

Modified

6 years ago

Share

Summary

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-03:16.filedesc.asc

Insight

Insight

The readv(2) system call performs a scatter read: it reads from the input file descriptor and stores the data into multiple buffers as instructed by the caller. A programming error in the readv system call can result in the given file descriptor'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-03:16.filedesc.asc