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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-27 15:55:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-27 15:55:25 -0700 |
| commit | 56bea424158f6b99a452ab9410092d72b03f8545 (patch) | |
| tree | 832be134cd2b08a12ba3fed9c2dcd718711d74f5 | |
| parent | a361474ba3b3c6bdca7bad72dfd2ffb4f11e8e1d (diff) | |
| parent | 217c0a5c177a3d4f7c8497950cbf5c36756e8bbb (diff) | |
Merge tag 'efi-fixes-for-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Fix a potential buffer overrun issue introduced by the previous fix
for EFI boot services region reservations on x86"
* tag 'efi-fixes-for-v7.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efi: efi_unmap_boot_services: fix calculation of ranges_to_free size
| -rw-r--r-- | arch/x86/platform/efi/quirks.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 35caa5746115..79f0818131e8 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -424,7 +424,7 @@ void __init efi_unmap_boot_services(void) if (efi_enabled(EFI_DBG)) return; - sz = sizeof(*ranges_to_free) * efi.memmap.nr_map + 1; + sz = sizeof(*ranges_to_free) * (efi.memmap.nr_map + 1); ranges_to_free = kzalloc(sz, GFP_KERNEL); if (!ranges_to_free) { pr_err("Failed to allocate storage for freeable EFI regions\n"); |