Note: This is an archival copy of Security Sun Alert 239188 as previously published on http://sunsolve.sun.com. Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1019397.1. |
Category Security Release Phase Resolved 6669199 Product OpenSolaris Date of Resolved Release 13-Jan-2009 Security Vulnerability Relating to the posix_fallocate(3C) System Call May Lead to a Denial of Service (DoS) 1. Impact A security vulnerability relating to the posix_fallocate(3C) system call may allow a local unprivileged user to panic the system, which is a type of Denial of Service (DoS). 2. Contributing Factors This issue can occur in the following releases: SPARC Platform:
Note: Solaris 8, 9 and 10 are not impacted by this issue OpenSolaris distributions may include additional bug fixes above and beyond the build from which it was derived. The base build can be derived as follows: $ uname -a 3. Symptoms When this issue occurs, the system will produce a panic message similar to the following: panic[cpu12]/thread=30018c432e0: ufs_putapage: bn == UFS_HOLE with a stack trace similar to the following: vpanic() 4. Workaround There is no workaround for this issue. Please see the Resolution section below. 5. Resolution This issue is addressed in the following releases: SPARC Platform:
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