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.
Date of Resolved Release
Security Vulnerability Relating to the posix_fallocate(3C) System Call May Lead to a Denial of Service (DoS)
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:
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
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:
There is no workaround for this issue. Please see the Resolution section below.
This issue is addressed in the following releases:
For more information
on Security Sun Alerts, see 1009886.1.
This Sun Alert
notification is being provided to you on
an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU
ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT
OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This
Sun Alert notification contains Sun proprietary and confidential
information. It is being provided to you pursuant to the provisions of
your agreement to purchase services from Sun, or, if you do not have
notification may only be used for the purposes contemplated by these
This solution has no attachment