Commits
Peter Korsgaard committed 392b4a6670d
xen: security bump to version 4.7.2
The 4.7.2 release brings a number of bugfixes and improvements:
https://www.xenproject.org/downloads/xen-archives/xen-project-47-series/xen-472.html
Including fixes for the following security issues:
XSA-191: x86 null segments not always treated as unusable (CVE-2016-9386)
XSA-192: x86 task switch to VM86 mode mis-handled (CVE-2016-9382)
XSA-193: x86 segment base write emulation lacking canonical address checks
(CVE-2016-9385)
XSA-194: guest 32-bit ELF symbol table load leaking host data (CVE-2016-9384)
XSA-195: x86 64-bit bit test instruction emulation broken (CVE-2016-9383)
XSA-196: x86 software interrupt injection mis-handled
(CVE-2016-9377 CVE-2016-9378)
XSA-197: qemu incautious about shared ring processing (CVE-2016-9381)
XSA-198: delimiter injection vulnerabilities in pygrub
(CVE-2016-9379 CVE-2016-9380)
XSA-199: qemu ioport array overflow (CVE-2016-9637)
XSA-200: x86 CMPXCHG8B emulation fails to ignore operand size override
Files (CVE-2016-9932)
XSA-201: ARM guests may induce host asynchronous abort
(CVE-2016-9815 CVE-2016-9816 CVE-2016-9817 CVE-2016-9818)
XSA-202: x86 PV guests may be able to mask interrupts (CVE-2016-10024)
XSA-203: x86: missing NULL pointer check in VMFUNC emulation (CVE-2016-10025)
XSA-204: x86: Mishandling of SYSCALL singlestep during emulation
(CVE-2016-10013)
XSA-207: memory leak when destroying guest without PT devices
XSA-208: oob access in cirrus bitblt copy (CVE-2017-2615)
XSA-209: cirrus_bitblt_cputovideo does not check if memory region is safe
(CVE-2017-2620)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>