Add DSA text for 4.9.30-2+deb9u3

git-svn-id: svn+ssh://svn.debian.org/svn/kernel-sec@5480 e094ebfe-e918-0410-adfb-c712417f3574

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+Package        : linux
+CVE ID         : CVE-2017-7346 CVE-2017-7482 CVE-2017-7533 CVE-2017-7541
+                 CVE-2017-7542 CVE-2017-9605 CVE-2017-10810 CVE-2017-10911
+                 CVE-2017-11176 CVE-2017-1000365
+
+Several vulnerabilities have been discovered in the Linux kernel that
+may lead to a privilege escalation, denial of service or information
+leaks.
+
+CVE-2017-7346
+
+    Li Qiang discovered that the DRM driver for VMware virtual GPUs does
+    not properly check user-controlled values in the
+    vmw_surface_define_ioctl() functions for upper limits. A local user
+    can take advantage of this flaw to cause a denial of service.
+
+CVE-2017-7482
+
+    Shi Lei discovered that RxRPC Kerberos 5 ticket handling code does
+    not properly verify metadata, leading to information disclosure,
+    denial of service or potentially execution of arbitrary code.
+
+CVE-2017-7533
+
+    Fan Wu and Shixiong Zhao discovered a race condition between inotify
+    events and VFS rename operations allowing an unprivileged local
+    attacker to cause a denial of service or escalate privileges.
+
+CVE-2017-7541
+
+    A buffer overflow flaw in the Broadcom IEEE802.11n PCIe SoftMAC WLAN
+    driver could allow a local user to cause kernel memory corruption,
+    leading to a denial of service or potentially privilege escalation.
+
+CVE-2017-7542
+
+    An integer overflow vulnerability in the ip6_find_1stfragopt()
+    function was found allowing a local attacker with privileges to open
+    raw sockets to cause a denial of service.
+
+CVE-2017-9605
+
+    Murray McAllister discovered that the DRM driver for VMware virtual
+    GPUs does not properly initialize memory, potentially allowing a
+    local attacker to obtain sensitive information from uninitialized
+    kernel memory via a crafted ioctl call.
+
+CVE-2017-10810
+
+    Li Qiang discovered a memory leak flaw within the VirtIO GPU driver
+    resulting in denial of service (memory consumption).
+
+CVE-2017-10911 / XSA-216
+
+    Anthony Perard of Citrix discovered an information leak flaw in Xen
+    blkif response handling, allowing a malicious unprivileged guest to
+    obtain sensitive information from the host or other guests.
+
+CVE-2017-11176
+
+    It was discovered that the mq_notify() function does not set the
+    sock pointer to NULL upon entry into the retry logic. An attacker
+    can take advantage of this flaw during a user-space close of a
+    Netlink socket to cause a denial of service or potentially cause
+    other impact.
+
+CVE-2017-1000365
+
+    It was discovered that argument and environment pointers are not
+    taken properly into account to the imposed size restrictions on
+    arguments and environmental strings passed through
+    RLIMIT_STACK/RLIMIT_INFINITY. A local attacker can take advantage of
+    this flaw in conjunction with other flaws to execute arbitrary code.
+
+For the oldstable distribution (jessie), these problems will be fixed in
+a subsequent DSA.
+
+For the stable distribution (stretch), these problems have been fixed in
+version 4.9.30-2+deb9u3.