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Fix the length calculation for the final block of a sendfile(2)

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transmission which could be tricked into rounding up to the nearest
page size, leaking up to a page of kernel memory.  [13:11]

In IPv6 and NetATM, stop SIOCSIFADDR, SIOCSIFBRDADDR, SIOCSIFDSTADDR
and SIOCSIFNETMASK at the socket layer rather than pass them on to the
link layer without validation or credential checks.  [SA-13:12]

Prevent cross-mount hardlinks between different nullfs mounts of the
same underlying filesystem.  [SA-13:13]

Security:	CVE-2013-5666
Security:	FreeBSD-SA-13:11.sendfile
Security:	CVE-2013-5691
Security:	FreeBSD-SA-13:12.ifioctl
Security:	CVE-2013-5710
Security:	FreeBSD-SA-13:13.nullfs
Approved by:	so
This commit is contained in:
Dag-Erling Smørgrav 2013-09-10 10:31:23 +00:00
parent e8346ce7d0
commit c4d9a19be3
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=42642
12 changed files with 620 additions and 0 deletions
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20
share/xml/advisories.xml
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@ -7,6 +7,26 @@
<year>
<name>2013</name>
<month>
<name>9</name>
<day>
<name>10</name>
<advisory>
<name>FreeBSD-SA-13:13.nullfs</name>
</advisory>
<advisory>
<name>FreeBSD-SA-13:12.ifioctl</name>
</advisory>
<advisory>
<name>FreeBSD-SA-13:11.sendfile</name>
</advisory>
</day>
</month>
<month>
<name>8</name>