Diff for /wikisrc/security/meltdown_spectre.mdwn between versions 1.28 and 1.29

version 1.28, 2018/05/04 07:34:51 version 1.29, 2018/05/22 07:27:25
Line 92  riscv  |(Spec.) |Not vulnerable |  |  | Line 92  riscv  |(Spec.) |Not vulnerable |  |  |
                 |ARM (others)   |Not vulnerable |               |               |                  |ARM (others)   |Not vulnerable |               |               |
 """]]  """]]
   
   ## Spectre Variant 4
   
   [[!table data="""
   Port            |Vendor/Model   |Spectre (V4)   |NetBSD-7       |NetBSD-8       |NetBSD-current
   amd64           |Intel          |Vulnerable     |Not fixed      |Not fixed      |Fixed [MitigE]
   amd64           |AMD            |Unknown        |               |               |
   amd64           |VIA            |Unknown        |               |               |
   i386            |Intel          |Vulnerable     |Not fixed      |Not fixed      |Fixed [MitigE]
   i386            |AMD            |Unknown        |               |               |
   i386            |VIA            |Unknown        |               |               |
   """]]
   
 ## Mitigations  ## Mitigations
   
 ### Mitigation A: SVS  ### Mitigation A: SVS
Line 118  automatically. It can be dynamically dis Line 130  automatically. It can be dynamically dis
 SpectreV2 is mitigated in the kernel with the GCC "retpoline" compilation  SpectreV2 is mitigated in the kernel with the GCC "retpoline" compilation
 flag, which is enabled by default in GENERIC.  flag, which is enabled by default in GENERIC.
   
   ### Mitigation E: Intel SSBD
   
   SpectreV4 can be mitigated with the SSBD method (Intel only for now). It
   can be dynamically enabled by changing the "machdep.spectre_v4.mitigated"
   sysctl.
   
 ## External Resources  ## External Resources
   
 * [MIPS Blog Post](https://www.mips.com/blog/mips-response-on-speculative-execution-and-side-channel-vulnerabilities/)  * [MIPS Blog Post](https://www.mips.com/blog/mips-response-on-speculative-execution-and-side-channel-vulnerabilities/)

Removed from v.1.28  
changed lines
  Added in v.1.29


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