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authorChris Wright <chrisw@sous-sol.org>2006-03-25 03:07:41 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 08:22:56 -0800
commitd4eb82c783992551c574580eb55fddc8bb006ad0 (patch)
tree912aa24f162342bffae86a0c3e4713700a9e5c66 /fs
parent12b5989be10011387a9da5dee82e5c0d6f9d02e7 (diff)
[PATCH] make cap_ptrace enforce PTRACE_TRACME checks
PTRACE_TRACEME doesn't have proper capabilities validation when parent is less privileged than child. Issue pointed out by Ram Gupta <ram.gupta5@gmail.com>. Note: I haven't identified a strong security issue, and it's a small ABI change that could break apps that rely on existing behaviour (which allows parent that is less privileged than child to ptrace when child does PTRACE_TRACEME). Signed-off-by: Chris Wright <chrisw@sous-sol.org> Cc: Ram Gupta <ram.gupta5@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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