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Viewing changes to debian/sysctl.d/10-zeropage.conf.arm64

  • Committer: Package Import Robot
  • Author(s): Adam Conrad
  • Date: 2015-01-28 10:17:09 UTC
  • Revision ID: package-import@ubuntu.com-20150128101709-rr8y6vokdqj35al3
Tags: 1:3.3.9-1ubuntu2.1
Copy 10-zeropage.conf.armhf to 10-zeropage.conf.arm64 (LP: #1415481)

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# Protect the zero page of memory from userspace mmap to prevent kernel
 
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# NULL-dereference attacks against potential future kernel security
 
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# vulnerabilities.  (Added in kernel 2.6.23.)
 
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#
 
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# While this default is built into the Ubuntu kernel, there is no way to
 
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# restore the kernel default if the value is changed during runtime; for
 
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# example via package removal (e.g. wine, dosemu).  Therefore, this value
 
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# is reset to the secure default each time the sysctl values are loaded.
 
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#
 
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# ARM-specific default:
 
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vm.mmap_min_addr = 32768