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(parent: 6d9be48) | patch
Fix a bug that allowed a tracing process (e.g. gdb) to write
authordes <des@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Tue, 18 Jun 2013 07:05:51 +0000 (07:05 +0000)
committerdes <des@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Tue, 18 Jun 2013 07:05:51 +0000 (07:05 +0000)
commit9b83d65894bb5d142e6b390ebf9a681bbfb945b0
tree0a423005fbc38483578e8c9874e33e29fe46418etree | snapshot
parent6d9be48e1800cbe41fc7362cf780c49a139353afcommit | diff
Fix a bug that allowed a tracing process (e.g. gdb) to write
to a memory-mapped file in the traced process's address space
even if neither the traced process nor the tracing process had
write access to that file.

Security: CVE-2013-2171
Security: FreeBSD-SA-13:06.mmap
Approved by: so

git-svn-id: svn://svn.freebsd.org/base/releng/9.1@251903 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
UPDATING diff | blob | history
sys/conf/newvers.sh diff | blob | history
sys/vm/vm_map.c diff | blob | history
9.1-RELEASE