binutils/binutils-CVE-2025-5244.patch
Nick Clifton d8eb7cfbb1 Add fix for CVE-2025-5244.
Resolves: RHEL-100417
2025-06-30 17:26:38 +01:00

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Diff

# commit d1458933830456e54223d9fc61f0d9b3a19256f5
# tree 98864afbaa67a592824cc9f0c846bce8efde33c9 tree
# parent 6fe4e5bd10b996428a557e036c07c5839a8e0a49 commit | diff
# PR32858 ld segfault on fuzzed object
#
# We missed one place where it is necessary to check for empty groups.
#
# PR 32858
# * elflink.c (elf_gc_sweep): Protect against empty group.
--- binutils.orig/bfd/elflink.c 2025-06-30 15:59:11.706908490 +0100
+++ binutils-2.41/bfd/elflink.c 2025-06-30 16:00:32.282299523 +0100
@@ -14115,7 +14115,8 @@ elf_gc_sweep (bfd *abfd, struct bfd_link
if (o->flags & SEC_GROUP)
{
asection *first = elf_next_in_group (o);
- o->gc_mark = first->gc_mark;
+ if (first != NULL)
+ o->gc_mark = first->gc_mark;
}
if (o->gc_mark)