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Description: Special Register Buffer Data Sampling (SRBDS)
References:
https://www.vusec.net/projects/crosstalk/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
Notes:
bwh> This issue will be mitigated by a microcode update. However,
bwh> kernel changes are needed to limit the performance impact and
bwh> to allow disabling the mitigation where it is unneeded.
bwh> Embargoed until 2020-06-09 17:00 UTC.
Bugs:
upstream: pending (5.8-rc1) [93920f61c2ad7edb01e63323832585796af75fc9, 7e5b3c267d256822407a22fdce6afdf9cd13f9fb, 7222a1b5b87417f22265c92deea76a6aecd0fb0f, 3798cc4d106e91382bfe016caa2edada27c2bb3f]
4.19-upstream-stable: pending (4.19.128) [x86-cpu-add-a-steppings-field-to-struct-x86_cpu_id.patch, x86-cpu-add-table-argument-to-cpu_matches.patch, x86-speculation-add-special-register-buffer-data-sampling-srbds-mitigation.patch, x86-speculation-add-srbds-vulnerability-and-mitigation-documentation.patch, x86-speculation-add-ivy-bridge-to-affected-list.patch]
4.9-upstream-stable: pending (4.9.227) [x86-cpu-add-a-steppings-field-to-struct-x86_cpu_id.patch, x86-cpu-add-table-argument-to-cpu_matches.patch, x86-speculation-add-special-register-buffer-data-sampling-srbds-mitigation.patch, x86-speculation-add-srbds-vulnerability-and-mitigation-documentation.patch, x86-speculation-add-ivy-bridge-to-affected-list.patch]
3.16-upstream-stable: pending (3.16.85) [x86-cpu-add-a-steppings-field-to-struct-x86_cpu_id.patch, x86-cpu-add-table-argument-to-cpu_matches.patch, x86-speculation-add-special-register-buffer-data-sampling-srbds-mitigation.patch, x86-speculation-add-srbds-vulnerability-and-mitigation-documentation.patch, x86-speculation-add-ivy-bridge-to-affected-list.patch]
sid: released (5.6.14-2) [bugfix/x86/srbds/0001-x86-cpu-Add-a-steppings-field-to-struct-x86_cpu_id.patch, bugfix/x86/srbds/0002-x86-cpu-Add-table-argument-to-cpu_matches.patch, bugfix/x86/srbds/0003-x86-speculation-Add-Special-Register-Buffer-Data-Sam.patch, bugfix/x86/srbds/0004-x86-speculation-Add-SRBDS-vulnerability-and-mitigati.patch, bugfix/x86/srbds/0005-x86-speculation-Add-Ivy-Bridge-to-affected-list.patch]
4.19-buster-security: released (4.19.118-2+deb10u1) [bugfix/x86/srbds/0001-x86-cpu-Add-a-steppings-field-to-struct-x86_cpu_id.patch, bugfix/x86/srbds/0002-x86-cpu-Add-table-argument-to-cpu_matches.patch, bugfix/x86/srbds/0003-x86-speculation-Add-Special-Register-Buffer-Data-Sam.patch, bugfix/x86/srbds/0004-x86-speculation-Add-SRBDS-vulnerability-and-mitigati.patch, bugfix/x86/srbds/0005-x86-speculation-Add-Ivy-Bridge-to-affected-list.patch]
4.9-stretch-security: released (4.9.210-1+deb9u1) [bugfix/x86/srbds/0001-x86-cpu-Add-a-steppings-field-to-struct-x86_cpu_id.patch, bugfix/x86/srbds/0002-x86-cpu-Add-table-argument-to-cpu_matches.patch, bugfix/x86/srbds/0003-x86-speculation-Add-Special-Register-Buffer-Data-Sam.patch, bugfix/x86/srbds/0004-x86-speculation-Add-SRBDS-vulnerability-and-mitigati.patch, bugfix/x86/srbds/0005-x86-speculation-Add-Ivy-Bridge-to-affected-list.patch]
3.16-jessie-security: released (3.16.84-1) [bugfix/x86/srbds/0001-x86-cpu-Add-a-steppings-field-to-struct-x86_cpu_id.patch, bugfix/x86/srbds/0002-x86-cpu-Add-table-argument-to-cpu_matches.patch, bugfix/x86/srbds/0003-x86-speculation-Add-Special-Register-Buffer-Data-Sam.patch, bugfix/x86/srbds/0004-x86-speculation-Add-SRBDS-vulnerability-and-mitigati.patch, bugfix/x86/srbds/0005-x86-speculation-Add-Ivy-Bridge-to-affected-list.patch]
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