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Hash: SHA512
Format: 1.8
Date: Fri, 16 Aug 2013 21:10:12 -0300
Source: intel-microcode
Binary: intel-microcode
Architecture: source amd64
Version: 1.20130808.2
Distribution: unstable
Urgency: high
Maintainer: Henrique de Moraes Holschuh <h...@debian.org>
Changed-By: Henrique de Moraes Holschuh <h...@debian.org>
Description:
intel-microcode - Processor microcode firmware for Intel CPUs
Changes:
intel-microcode (1.20130808.2) unstable; urgency=high
.
* Reupload with high severity. This microcode update has been documented
by Intel to fix a severe security issue (refer to LP bug 1212497);
This update is known to fix several nasty errata on 3rd-gen and
4th-gen Core i3/i5/i7, and Xeon 5500 and later, including but not
limited to:
+ AAK167/BT248: Virtual APIC accesses with 32-bit PAE paging
may cause system crash
+ AAK170/BT246: The upper 32 bits of CR3 may be incorrectly used
with 32-bit paging
* Erratum AAK167/BT248 is nasty: "If a logical processor has EPT (Extended
Page Tables) enabled, is using 32-bit PAE paging, and accesses the
virtual-APIC page then a complex sequence of internal processor
micro-architectural events may cause an incorrect address translation or
machine check on either logical processor. This erratum may result in
unexpected faults, an uncorrectable TLB error logged in
IA32_MCi_STATUS.MCACOD (bits [15:0]), a guest or hypervisor crash, or
other unpredictable system behavior"
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