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トップ  >  Linux12歩  >  2012-12-20 xenのupdate
20121220 xen-4.2.1にupdateしました

release note

Xen 4.2.1 is a maintenance release in the 4.2 series and contains: 
We recommend that all users of Xen 4.2.0 upgrade to Xen 4.2.1.

 The release fixes the following critical vulnerabilities:
   CVE-2012-4535 / XSA-20: Timer overflow DoS vulnerability
   CVE-2012-4537 / XSA-22: Memory mapping failure DoS vulnerability
   CVE-2012-4538 / XSA-23: Unhooking empty PAE entries DoS vulnerability
   CVE-2012-4539 / XSA-24: Grant table hypercall infinite loop DoS vulnerability
   CVE-2012-4544, CVE-2012-2625 / XSA-25: Xen domain builder Out-of-memory due to malicious kernel/ramdisk
   CVE-2012-5510 / XSA-26: Grant table version switch list corruption vulnerability
   CVE-2012-5511 / XSA-27: Several HVM operations do not validate the range of their inputs
   CVE-2012-5513 / XSA-29: XENMEM_exchange may overwrite hypervisor memory
   CVE-2012-5514 / XSA-30: Broken error handling in guest_physmap_mark_populate_on_demand()
   CVE-2012-5515 / XSA-31: Several memory hypercall operations allow invalid extent order values
   CVE-2012-5525 / XSA-32: several hypercalls do not validate input GFNs
 Among many bug fixes and improvements (around 100 since Xen 4.2.0):
   A fix for a long standing time management issue
   Bug fixes for S3 (suspend to RAM) handling
   Bug fixes for other low level system state handling
   Bug fixes and improvements to the libxl tool stack
   Bug fixes to nested virtualization

・詳しいリリース内容は Xen_4.2_Release_Notes を参照して下さい
・バージョンによる違いは Xen_Release_Features を参照して下さい

投票数:49 平均点:4.29
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