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CVE-2004-0435

Status Candidate

Overview

Certain "programming errors" in the msync system call for FreeBSD 5.2.1 and earlier, and 4.10 and earlier, do not properly handle the MS_INVALIDATE operation, which leads to cache consistency problems that allow a local user to prevent certain changes to files from being committed to disk.

Related Files

FreeBSD Security Advisory 2004.11
Posted May 26, 2004
Authored by The FreeBSD Project, Stephan Uphoff, Matt Dillon | Site freebsd.org

FreeBSD Security Advisory FreeBSD-SA-04:11.msync - Programming errors in the implementation of the msync(2) system call involving the MS_INVALIDATE operation lead to cache consistency problems between the virtual memory system and on-disk contents. In some situations, a user with read access to a file may be able to prevent changes to that file from being committed to disk.

tags | advisory
systems | freebsd
advisories | CVE-2004-0435
SHA-256 | 9b6d668eb3cd0d98e3221d430ab661e7250fbb287c53beec7fe79cda74993a1f
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