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https://src.fedoraproject.org/rpms/grub2.git
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61745502ab
Resolves: CVE-2020-14372 Resolves: CVE-2020-25632 Resolves: CVE-2020-25647 Resolves: CVE-2020-27749 Resolves: CVE-2020-27779 Resolves: CVE-2021-20225 Resolves: CVE-2021-20233 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
50 lines
1.8 KiB
Diff
50 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Thu, 5 Mar 2020 16:21:47 +0100
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Subject: [PATCH] efi/http: Export {fw,http}_path variables to make them global
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The fw_path environment variable is used by http_configure() function to
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determine the HTTP path that should be used as prefix when using relative
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HTTP paths. And this is stored in the http_path environment variable.
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Later, that variable is looked up by grub_efihttp_open() to generate the
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complete path to be used in the HTTP request.
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But these variables are not exported, which means that are not global and
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so are only found in the initial context.
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This can cause commands like configfile that create a new context to fail
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because the fw_path and http_path variables will not be found.
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Resolves: rhbz#1616395
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/kern/main.c | 1 +
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grub-core/net/efi/http.c | 1 +
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2 files changed, 2 insertions(+)
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diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c
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index 1c540fc8c26..b573be6650d 100644
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--- a/grub-core/kern/main.c
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+++ b/grub-core/kern/main.c
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@@ -143,6 +143,7 @@ grub_set_prefix_and_root (void)
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if (fw_path)
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{
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grub_env_set ("fw_path", fw_path);
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+ grub_env_export ("fw_path");
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grub_dprintf ("fw_path", "fw_path:\"%s\"\n", fw_path);
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grub_free (fw_path);
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}
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diff --git a/grub-core/net/efi/http.c b/grub-core/net/efi/http.c
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index de351b2cd03..755b7a6d054 100644
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--- a/grub-core/net/efi/http.c
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+++ b/grub-core/net/efi/http.c
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@@ -39,6 +39,7 @@ http_configure (struct grub_efi_net_device *dev, int prefer_ip6)
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http_path++;
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grub_env_unset ("http_path");
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grub_env_set ("http_path", http_path);
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+ grub_env_export ("http_path");
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}
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}
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