Description: Gather Data Sampling (GDS)
References:
 https://www.openwall.com/lists/oss-security/2023/08/08/5
 https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/gather-data-sampling.html
 https://downfall.page/
Notes:
Bugs:
upstream: released (6.5-rc6) [8974eb588283b7d44a7c91fa09fcbaf380339f3a, 553a5c03e90a6087e88f8ff878335ef0621536fb, 53cf5797f114ba2bd86d23a862302119848eff19, 81ac7e5d741742d650b4ed6186c4826c1a0631a7, 1b0fc0345f2852ffe54fb9ae0e12e2ee69ad6a20]
6.1-upstream-stable: released (6.1.44) [d5501f2ff80d30d615d59531825d3a5f0bb0d35d, 7918a3555a2502a4d86b831da089f3b985d1bca9, e2e06240ae4780977387906e2e11774283ca7997, 403e4cc67e4cf9226c57a7cb27c7f4365d2143b7, 08e86d42e2c916e362d124e3bc6c824eb1862498, 489ae02c89936c7e40f04191e8c160ac53649526, 6a90583dbd9b794071b8b54d8c36f40a459d1051, 84f585542ec69226311be5a4500a4b3cbad6fb5b, ce97072e10cc844fac8176681b2cb17bf3eaaa7b, 8beabde0ed8d31e45a3d9484f0591a18c0c94cc7, a3342c60dcc58007cc14b2cf1ebc7e2b563423a8, 8183a89caf67a1f56f1da1d6081e26a0ae7a5fdf, b0837880fa65fa4a6dc407b42e9b33e18f7b44e3, c956807d8462e94a1450dc0737728c25917b1d67, 9e8d9d399094dd911059ff337dd8a104f052e1ca, e26932942b2c505d5e8a9f263cbe66de4fab1b24, f25ad76d92176f41a543a812972e9937ce4f7d08, c66ebe070d9641c9339e42e1c2d707a5052e9904, 92fc27c79bc7f3e2bfd2b88e197762566daf02a1, c04579e95492dff342cb4976dd2f5728c0f87eee, b6fd07c41b4c64faff368728cef13439ee62860d, baa7b7501e41344f95da0bd3042dd04110d58edb, 7f3982de36c6620c2faae6fd960fa4021d71e16a, d972c8c08f96518ff02efd87c4fef594a833f6ea, 9ae15aaff39c831e2f9d8b029e85a2d70c7c8a68, e0fd83a193c530fdeced8b2e2ec83039ffdb884b, 051f5dcf144aa7659c4f4be04c66c3eda9b1bad3, dacb0bac2edb649ce01c25da9f8898769516d716]
5.10-upstream-stable: released (5.10.189) [6e606e681873b37aa252486d43be4cf007544e85, e5eb18e164d08986543f8259d0cc10e120fb8746, c0fff20d4efa3bdb3ef203a8ae6e703e0c010199, 12d93c6c98d5478128d90ad4fbdf705753a0197e, 1cd3fc18eb169e2f81a34eeaf8147f9395ee8a11, 75bb54c951e92714a50cdc063f9953d11e8d36a2, 3c45134b38b417d17103f1f0b9a8b32f98ac358c, 2edb3b39ca793bf13a123ea6a25da640be36e7a5, b05031c2bca790afed717bc59cde2dac722efb94, bf2fa3a9d0e65326917273d17a8e9c6880d7b97c, 09658b81d158c15112a56323d8db8fed83e8cd4a, 18fcd72da1ed6166f1cbb03f713bed50c839fc22, 7a2f42bce9ab23fb9e59fe6de45bfedb5d611eee, 2462bc3ef0611646d94658ff250bb16669347361, 4ae1cbb730bd574d57d3996d4c20974972d47009, 288a2f6bc1ce03ddb3f05fd8c79b00d5d7160b4a, 363c98f9cfa8124cc49b2dfc5d48666b138f7e2e, 7db4ddcb8d8e356387a773728b2479d390488b1e, eb13cce488745176db654b20ea438f4b5b91ab9c, 583016037a092e4189c86bad7946c6d88669b4ca, f076d081787803b972a9939e477c6456f0c8fd70, 6ee042fd240fb669f4637f8cd89899b15911e5df, 1ff14defdfc9180bfcfd76a70463a5feb188a5db, 79972c2b95eca5e7d3d237d728339b21e9075629, 6750468784314bc8a336f80493cd82cde2afa655]
4.19-upstream-stable: released (4.19.290) [ecc9d725a30dc53046f3739be9b7ac800d66c11b, 047ac82a3a9792264ec261f8812a14df28f28302, c3188cac78ced4eafdc4280feaeb08a47585151d, 6c18fb3d9d3876a709b43c42c8d45a8a4e5ca6f0, edb21f8093a187c9e17acb507900eaab80e516df, c0f82528e7afa445c5e8d67e2a7615e1ed87aa00, 15f5646fd2dbfa7298216418d383be36b470d01b, b698b5d11a169b4d41d7afe488ab3c408e39e5bc, 504aece3f6bcf88b31a809b3bbbe6b1931f78d18, ecc68c37bba469401a2cdc1a73661c31ef014742, 82f4acbce852b4795c32d38be2b164af27d1d125, 211ec614c9f107dfd1c3a1c14d097be474bb6b53, 7c7bb95ece11a94b9fa1cf117cf27ce6324bbe3b, 542dac06335106f81149ae96577f28d6123506e0, 2323f105866e6a456b219b9e3cde53d560464c43, e81494b7259b6b1ab81a9f9be3385b4aa99a7a59, 91e24758cd8e53b030146fbe7ff5c2b258e60c66, 0461f6027566f1bc68c7de160213813d340abf75, 1af834f2f4f824fd36130d3efe52922aec5a852c, 64f142253bd20cf39de9f931bb910f0e6de0d268, b8d22bdfef99923c3727950ae4158ee07ecc8740]
sid: released (6.4.4-3) [bugfix/x86/gds/init-provide-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/arm-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/ia64-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/loongarch-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/m68k-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/mips-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sh-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sparc-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/um-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/init-remove-check_bugs-leftovers.patch, bugfix/x86/gds/init-invoke-arch_cpu_finalize_init-earlier.patch, bugfix/x86/gds/init-x86-move-mem_encrypt_init-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-init-initialize-signal-frame-size-late.patch, bugfix/x86/gds/x86-fpu-remove-cpuinfo-argument-from-init-functions.patch, bugfix/x86/gds/x86-fpu-mark-init-functions-__init.patch, bugfix/x86/gds/x86-fpu-move-fpu-initialization-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-speculation-add-gather-data-sampling-mitigation.patch, bugfix/x86/gds/x86-speculation-add-force-option-to-gds-mitigation.patch, bugfix/x86/gds/x86-speculation-add-kconfig-option-for-gds.patch, bugfix/x86/gds/kvm-add-gds_no-support-to-kvm.patch, bugfix/x86/gds/x86-mem_encrypt-unbreak-the-amd_mem_encrypt-n-build.patch, bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch, bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch]
6.1-bookworm-security: released (6.1.38-3) [bugfix/x86/gds/init-provide-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/arm-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/ia64-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/loongarch-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/m68k-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/mips-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sh-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sparc-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/um-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/init-remove-check_bugs-leftovers.patch, bugfix/x86/gds/init-invoke-arch_cpu_finalize_init-earlier.patch, bugfix/x86/gds/init-x86-move-mem_encrypt_init-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-init-initialize-signal-frame-size-late.patch, bugfix/x86/gds/x86-fpu-remove-cpuinfo-argument-from-init-functions.patch, bugfix/x86/gds/x86-fpu-mark-init-functions-__init.patch, bugfix/x86/gds/x86-fpu-move-fpu-initialization-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-speculation-add-gather-data-sampling-mitigation.patch, bugfix/x86/gds/x86-speculation-add-force-option-to-gds-mitigation.patch, bugfix/x86/gds/x86-speculation-add-kconfig-option-for-gds.patch, bugfix/x86/gds/kvm-add-gds_no-support-to-kvm.patch, bugfix/x86/gds/x86-mem_encrypt-unbreak-the-amd_mem_encrypt-n-build.patch, bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch, bugfix/x86/gds/x86-mm-fix-poking_init-for-xen-pv-guests.patch, bugfix/x86/gds/x86-mm-use-mm_alloc-in-poking_init.patch, bugfix/x86/gds/mm-move-mm_cachep-initialization-to-mm_init.patch, bugfix/x86/gds/x86-mm-initialize-text-poking-earlier.patch, bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch]
5.10-bullseye-security: released (5.10.179-4) [bugfix/x86/gds/init-provide-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/arm-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/ia64-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/m68k-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/mips-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sh-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sparc-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/um-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/init-remove-check_bugs-leftovers.patch, bugfix/x86/gds/init-invoke-arch_cpu_finalize_init-earlier.patch, bugfix/x86/gds/init-x86-move-mem_encrypt_init-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-fpu-remove-cpuinfo-argument-from-init-functions.patch, bugfix/x86/gds/x86-fpu-mark-init-functions-__init.patch, bugfix/x86/gds/x86-fpu-move-fpu-initialization-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-speculation-add-gather-data-sampling-mitigation.patch, bugfix/x86/gds/x86-speculation-add-force-option-to-gds-mitigation.patch, bugfix/x86/gds/x86-speculation-add-kconfig-option-for-gds.patch, bugfix/x86/gds/kvm-add-gds_no-support-to-kvm.patch, bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch, bugfix/x86/gds/x86-mm-fix-poking_init-for-xen-pv-guests.patch, bugfix/x86/gds/x86-mm-use-mm_alloc-in-poking_init.patch, bugfix/x86/gds/mm-move-mm_cachep-initialization-to-mm_init.patch, bugfix/x86/gds/x86-mm-initialize-text-poking-earlier.patch, bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch]
4.19-buster-security: released (4.19.289-2) [bugfix/x86/gds/init-provide-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/arm-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/ia64-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/m68k-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/mips-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sh-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/sparc-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/um-cpu-switch-to-arch_cpu_finalize_init.patch, bugfix/x86/gds/init-remove-check_bugs-leftovers.patch, bugfix/x86/gds/init-invoke-arch_cpu_finalize_init-earlier.patch, bugfix/x86/gds/init-x86-move-mem_encrypt_init-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-fpu-remove-cpuinfo-argument-from-init-functions.patch, bugfix/x86/gds/x86-fpu-mark-init-functions-__init.patch, bugfix/x86/gds/x86-fpu-move-fpu-initialization-into-arch_cpu_finalize_init.patch, bugfix/x86/gds/x86-speculation-add-gather-data-sampling-mitigation.patch, bugfix/x86/gds/x86-speculation-add-force-option-to-gds-mitigation.patch, bugfix/x86/gds/x86-speculation-add-kconfig-option-for-gds.patch, bugfix/x86/gds/kvm-add-gds_no-support-to-kvm.patch, bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch, bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch]