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apparmor: improve matching for /proc/<num> #10

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apparmor: improve matching for /proc/<num> #10

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2 changes: 1 addition & 1 deletion apparmor/template.go
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {

deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir)
# deny write to files not in /proc/<number>/** or /proc/sys/**
deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9/]*}/** w,
deny @{PROC}/{[^1-9/],[^1-9/][^0-9/],[^1-9s/][^0-9y/][^0-9s/],[^1-9/][^0-9/][^0-9/][^0-9/]*}/** w,
deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel)
deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/
deny @{PROC}/sysrq-trigger rwklx,
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