grub2/0360-fs-f2fs-Set-a-grub_errno-if-mount-fails.patch
Nicolas Frayer 6eaa34fe07 Add several CVE fixes
- Resolves: CVE-2024-45779 CVE-2024-45778 CVE-2025-1118
- Resolves: CVE-2025-0677 CVE-2024-45782 CVE-2025-0690
- Resolves: CVE-2024-45783 CVE-2025-0624 CVE-2024-45776
- Resolves: CVE-2025-0622 CVE-2024-45774 CVE-2024-45775
- Resolves: CVE-2024-45781 CVE-2024-45780
- Resolves: #RHEL-79700
- Resolves: #RHEL-79341
- Resolves: #RHEL-79875
- Resolves: #RHEL-79849
- Resolves: #RHEL-79707
- Resolves: #RHEL-79857
- Resolves: #RHEL-79709
- Resolves: #RHEL-79846
- Resolves: #RHEL-75737
- Resolves: #RHEL-79713
- Resolves: #RHEL-73785
- Resolves: #RHEL-73787
- Resolves: #RHEL-79704
- Resolves: #RHEL-79702

Signed-off-by: Nicolas Frayer <nfrayer@redhat.com>
2025-02-18 19:06:15 +01:00

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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: B Horn <b@horn.uk>
Date: Sun, 12 May 2024 06:15:03 +0100
Subject: [PATCH] fs/f2fs: Set a grub_errno if mount fails
It was previously possible for grub_errno to not be set when
grub_f2fs_mount() failed if nat_bitmap_ptr() returned NULL.
This issue is solved by ensuring a grub_errno is set in the fail case.
Reported-by: B Horn <b@horn.uk>
Signed-off-by: B Horn <b@horn.uk>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
grub-core/fs/f2fs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/grub-core/fs/f2fs.c b/grub-core/fs/f2fs.c
index df6beb544..f7daa9435 100644
--- a/grub-core/fs/f2fs.c
+++ b/grub-core/fs/f2fs.c
@@ -872,6 +872,9 @@ grub_f2fs_mount (grub_disk_t disk)
return data;
fail:
+ if (grub_errno == GRUB_ERR_NONE)
+ grub_error (GRUB_ERR_BAD_FS, "not a F2FS filesystem");
+
grub_free (data);
return NULL;