diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 4bc4a3ae807e..0884b0436f8b 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -309,7 +309,7 @@ let
           # builds stuff in the VM, needs more juice
           virtualisation.diskSize = 8 * 1024;
           virtualisation.cores = 8;
-          virtualisation.memorySize = 1536;
+          virtualisation.memorySize = 2047;
 
           boot.initrd.systemd.enable = systemdStage1;
 
diff --git a/pkgs/tools/misc/grub/2.0x.nix b/pkgs/tools/misc/grub/2.0x.nix
index 15c9652d6a29..8c625df390ad 100644
--- a/pkgs/tools/misc/grub/2.0x.nix
+++ b/pkgs/tools/misc/grub/2.0x.nix
@@ -82,6 +82,242 @@ stdenv.mkDerivation rec {
       url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=000b5cd04fd228f9741f5dca0491636bc0b89eb8";
       sha256 = "sha256-Mex3qQ0lW7ZCv7ZI7MSSqbylJXZ5RTbR4Pv1+CJ0ciM=";
     })
+    (fetchpatch {
+      name = "CVE-2021-3981.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=0adec29674561034771c13e446069b41ef41e4d4";
+      sha256 = "sha256-3vkvWjcSv0hyY2EX3ig2EXEe+XLiRsXYlcd5kpY4wXw=";
+    })
+    # June 2022 security patches
+    # https://lists.gnu.org/archive/html/grub-devel/2022-06/msg00035.html
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.1.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=1469983ebb9674753ad333d37087fb8cb20e1dce";
+      sha256 = "sha256-oB4S0jvIXsDPcjIz1E2LKm7gwdvZjywuI1j0P6JQdJg=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.2.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=14ceb3b3ff6db664649138442b6562c114dcf56e";
+      sha256 = "sha256-mKe8gzd0U4PbV8z3TWCdvv7UugEgYaVIkB4dyMrSGEE=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.3.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=04c86e0bb7b58fc2f913f798cdb18934933e532d";
+      sha256 = "sha256-sA+PTlk4hwYOVKRZBHkEskabzmsf47Hi4h3mzWOFjwM=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.4.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=6fe755c5c07bb386fda58306bfd19e4a1c974c53";
+      sha256 = "sha256-8zmFocUfnjSyhYitUFDHoilHDnm1NJmhcKwO9dueV3k=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.5.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=f1ce0e15e70ea1aafcfa26ad93e7585f65783c6f";
+      sha256 = "sha256-Wrlam6CRPUAHbKqe/X1YLcRxJ2LQTtmQ/Y66gxUlqK4=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.6.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=5bff31cdb6b93d738f850834e6291df1d0b136fa";
+      sha256 = "sha256-ReLWSePXjRweymsVAL/uoBgYMWt9vRDcY3iXlDNZT0w=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.7.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=347880a13c239b4c2811c94c9a7cf78b607332e3";
+      sha256 = "sha256-07hpHuJFw95xGoJ/6ej7i6HlCFb2QRxP3arvRjKW4uU=";
+    })
+    ## Needed to apply patch 8
+    (fetchpatch {
+      name = "video-remove-trailing-whitespaces.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=1f48917d8ddb490dcdc70176e0f58136b7f7811a";
+      sha256 = "sha256-/yf/LGpwYcQ36KITzmiFfg4BvhcApKbrlFzjKK8V2kI=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.8.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=e623866d9286410156e8b9d2c82d6253a1b22d08";
+      sha256 = "sha256-zFxP6JY5Q9s3yJHdkbZ2w+dXFKeOCXjFnQKadB5HLCg=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.9.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=210245129c932dc9e1c2748d9d35524fb95b5042";
+      sha256 = "sha256-FyZhdTlcRVmn7X2hv93RhWP7NOoEMb7ib/DWveyz3Ew=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.10.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=690bee69fae6b4bd911293d6b7e56774e29fdf64";
+      sha256 = "sha256-nOAXxebCW/s5M6sjPKdSdx47/PcH1lc0yYT0flVwoC8=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.11.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=d5caac8ab79d068ad9a41030c772d03a4d4fbd7b";
+      sha256 = "sha256-9fGJJkgZ6+E01MJqVTR1qFITx9EAx41Hv9QNfdqBgu0=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.12.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=768ef2199e0265cf455b154f1a80a612f02274c8";
+      sha256 = "sha256-2/JJJux5vqXUc77bi3aXRy8NclbvyD/0e6UN8/6Ui3c=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.13.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=166a4d61448f74745afe1dac2f2cfb85d04909bf";
+      sha256 = "sha256-XxTZ8P8qr4qEXELdHwaRACPeIZ/iixlATLB5RvVQsC8=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.14.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=22a3f97d39f6a10b08ad7fd1cc47c4dcd10413f6";
+      sha256 = "sha256-bzB2gmGvWR2ylvMw779KQ/VHBBMsDNbG96eg9qQlljA=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.15.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=830a9628b2c9e1b6388af624aaf4a80818ed6be0";
+      sha256 = "sha256-8fna2VbbUw8zBx77osaOOHlZFgRrHqwQK87RoUtCF6w=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.16.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=3e4817538de828319ba6d59ced2fbb9b5ca13287";
+      sha256 = "sha256-iCZAyRS/a15x5aJCJBYl9nw6Hc3WRCUG7zF5V+OwDKg=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.17.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=f407e34f3871a4c402bbd516e7c28ea193cef1b7";
+      sha256 = "sha256-S45cLZNTWapAodKudUz2fMjnPsW6vbtNz0bIvIBGmu4=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.18.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=c1b7eef9fa4aaefbf7d0507505c3bb2914e1ad6b";
+      sha256 = "sha256-TWPfEAOePwC77yiVdsTSZIjfsMp7+0XabCz9K3FlV7w=";
+    })
+    ## Needed to apply patch 19
+    (fetchpatch {
+      name = "net-remove-trailing-whitespaces.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=e453a4a64392a41bc7b37f890aceb358112d1687";
+      sha256 = "sha256-JCbUB77Y6js5u99uJ9StDxNjjahNy4nO3crK8/GvmPY=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.19.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=96abf4fb9d829f4a405d5df39bc74bbccbd0e322";
+      sha256 = "sha256-6E2MKO5kauFA1TA8YkUgIUusniwHS2Sr44A/a7ZqDCo=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.20.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=ee9652031491326736714a988fbbaeab8ef9255c";
+      sha256 = "sha256-E21q+Mj+JBQlUW0pe4zbaoL3ErXmCanyizwAsRYYZHk=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.21.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=8f287c3e13da2bf82049e2e464eca7ca4fef0a85";
+      sha256 = "sha256-dZ24RwYsHeUrMuiU7PDgPcw+iK9cOd6q+E0xWXbtTkE=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.22.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=dad94fffe14be476df5f34a8e5a90ea62a41fe12";
+      sha256 = "sha256-06TyTEvSy19dsnXZZoKBGx7ymJVWogr0NorzLflEwY4=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.23.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=ec6bfd3237394c1c7dbf2fd73417173318d22f4b";
+      sha256 = "sha256-NryxSekO8oSxsnv5G9mFZExm4Pwfc778mslyUDuDhlM=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.24.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=b26b4c08e7119281ff30d0fb4a6169bd2afa8fe4";
+      sha256 = "sha256-fSH3cxl/76DwkE8dHSR9uao9Vf1sJrhz7SmUSgDNodI=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.25.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=4bd9877f62166b7e369773ab92fe24a39f6515f8";
+      sha256 = "sha256-VMtR/sF8F1BMKmJ06ZZEPNH/+l0RySy/E6lVWdCyFKE=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.26.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=deae293f399dde3773cf37dfa9b77ca7e04ef772";
+      sha256 = "sha256-sCC3KE9adavw7jHMTVlxtyuwDFCPRDqT24H3AKUYf68=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.27.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=e40b83335bb33d9a2d1c06cc269875b3b3d6c539";
+      sha256 = "sha256-cviCfBkzacAtnHGW87RLshhduE4Ym/v2Vq4h/sZDmZg=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.28.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=11e1cffb7e2492ddac4ab8d19ce466783adbb957";
+      sha256 = "sha256-I1feoneVeU3XkscKfVprWWJfLUnrc5oauMXYDyDxo5M=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.29.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=13dce204cf6f3f0f49c9949971052a4c9657c0c0";
+      sha256 = "sha256-DzFHxgR9A8FNZ/y9OMeBvTp1K6J5ePyL06dhHQmk7Ik=";
+    })
+    (fetchpatch {
+      name = "CVE-2021-3695.CVE-2021-3696.CVE-2021-3697.CVE-2022-28733.CVE-2022-28734.CVE-2022-28735.CVE-2022-28736.CVE-2022-28737.30.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=2f4430cc0a44fd8c8aa7aee5c51887667ad3d6c3";
+      sha256 = "sha256-AufP/10/auO4NMjYQ7yPDDbYShwGaktyQtqJx2Jasz8=";
+    })
+    # October 2022 security patches
+    # https://lists.gnu.org/archive/html/grub-devel/2022-11/msg00059.html
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.1.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=f6b6236077f059e64ee315f2d7acb8fa4eda87c5";
+      sha256 = "sha256-pk02iVf/u6CdsVjl8HaFBh0Bt473ZQzz5zBp9SoBLtE=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.2.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=9c76ec09ae08155df27cd237eaea150b4f02f532";
+      sha256 = "sha256-axbEOH5WFkUroGna2XY1f2kq7+B1Cs6LiubIA2EBdiM=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.3.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=768e1ef2fc159f6e14e7246e4be09363708ac39e";
+      sha256 = "sha256-aKDUVS/Yx1c87NCrt4EG8BlSpkHijUyAJIwbmtzNjD8=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.4.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=c51292274ded3259eb04c2f1c8d253ffbdb5216a";
+      sha256 = "sha256-OLNOKuAJuHy2MBMnU2xcYM7AaxmDk9fchXhggoDrxJU=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.5.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=23843fe8947e4da955a05ad3d1858725bfcb56c8";
+      sha256 = "sha256-ptn00nqVJlEb1c6HhoMy9nrBuctH077LM4yXKsK47gc=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.6.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=b9396daf1c2e3cdc0a1e69b056852e0769fb24de";
+      sha256 = "sha256-K7XNneDZjLpZh/C908+5uYsB/0oIdgQqmk0yJrdQLG4=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.7.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=1d2015598cc7a9fca4b39186273e3519a88e80c7";
+      sha256 = "sha256-s4pZtszH4b/0u85rpzVapZmNQdYEq/wW06SQ3PW/1aU=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.8.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=93a786a00163e50c29f0394df198518617e1c9a5";
+      sha256 = "sha256-R8x557RMAxJ0ZV2jb6zDmwOPVlk6875q37fNpqKsPT0=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.9.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=1eac01c147b4d85d2ec4a7e5671fa4345f2e8549";
+      sha256 = "sha256-eOnhmU3pT5cCVnNHcY/BzDjldfs7yh/OGsxa15tGv94=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.10.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=992c06191babc1e109caf40d6a07ec6fdef427af";
+      sha256 = "sha256-kezNKPcLmFXwyZbXtJbaPTIbE8tijmHIzdC2jsKwrNk=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.11.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=9d81f71c6b8f55cf20cd56f5fe29c759df9b48cc";
+      sha256 = "sha256-jnniVGy4KvFGFmcOP2YLA46k3cK8vwoByo19ismVUzE=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.12.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=22b77b87e10a3a6c9bb9885415bc9a9c678378e6";
+      sha256 = "sha256-iYTEqN5997I7MVIg82jt/bbEAYhcgq8fNRCNPpY9ze0=";
+    })
+    (fetchpatch {
+      name = "CVE-2022-2601.CVE-2022-3775.13.patch";
+      url = "https://git.savannah.gnu.org/cgit/grub.git/patch/?id=1514678888595ef41a968a0c69b7ff769edd1e9c";
+      sha256 = "sha256-tgAEoAtaNKJjscjMFkXXiVn59Pa4c+NiQ3iVW6CMrpo=";
+    })
   ];
 
   postPatch = if kbdcompSupport then ''