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authorfeld <feld@FreeBSD.org>2019-07-31 04:52:19 +0800
committerfeld <feld@FreeBSD.org>2019-07-31 04:52:19 +0800
commit8d4976a0277a7aedabcbd1d52924745cb28a524f (patch)
tree8355f995d916858ff517dbb7b6093a24b450cef6 /security
parentd7c9ecfcbe047c11a7b9ef2df56b964c0feb4580 (diff)
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Document FreeBSD-SA-19:15.mqueuefs
Diffstat (limited to 'security')
-rw-r--r--security/vuxml/vuln.xml36
1 files changed, 36 insertions, 0 deletions
diff --git a/security/vuxml/vuln.xml b/security/vuxml/vuln.xml
index a5a9f2372b7f..6cf1e10d3a89 100644
--- a/security/vuxml/vuln.xml
+++ b/security/vuxml/vuln.xml
@@ -58,6 +58,42 @@ Notes:
* Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
-->
<vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+ <vuln vid="deb6e164-b30b-11e9-a87f-a4badb2f4699">
+ <topic>FreeBSD -- Reference count overflow in mqueue filesystem</topic>
+ <affects>
+ <package>
+ <name>FreeBSD-kernel</name>
+ <range><ge>12.0</ge><lt>12.0_8</lt></range>
+ <range><ge>11.2</ge><lt>11.2_12</lt></range>
+ <range><ge>11.3</ge><lt>11.3_1</lt></range>
+ </package>
+ </affects>
+ <description>
+ <body xmlns="http://www.w3.org/1999/xhtml">
+ <h1>Problem Description:</h1>
+ <p>System calls operating on file descriptors obtain a
+ reference to relevant struct file which due to a programming
+ error was not always put back, which in turn could be used
+ to overflow the counter of affected struct file.</p>
+ <h1>Impact:</h1>
+ <p>A local user can use this flaw to obtain access to files,
+ directories, sockets etc. opened by processes owned by other
+ users. If obtained struct file represents a directory from
+ outside of user's jail, it can be used to access files
+ outside of the jail. If the user in question is a jailed
+ root they can obtain root privileges on the host system.</p>
+ </body>
+ </description>
+ <references>
+ <cvename>CVE-2019-5603</cvename>
+ <freebsdsa>SA-19:15.mqueuefs</freebsdsa>
+ </references>
+ <dates>
+ <discovery>2019-07-24</discovery>
+ <entry>2019-07-30</entry>
+ </dates>
+ </vuln>
+
<vuln vid="6b856e00-b30a-11e9-a87f-a4badb2f4699">
<topic>FreeBSD -- Kernel memory disclosure in freebsd32_ioctl</topic>
<affects>