From 92bcd04fcd97f261ff40e9248e00a1dbebf3a536 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Tue, 27 May 2025 03:37:50 -0700 Subject: [PATCH] Backport fix for PR 32644(CVE-2025-1182) Fix another illegal memory access triggered by corrupt ELF input files. PR 32644 (cherry picked from commit:b425859021d17adf62f06fb904797cf8642986ad) Upstream-Status: Submitted [https://sourceware.org/pipermail/binutils/2025-May/141415.html] CVE: CVE-2025-1182 Signed-off-by: Harish Sadineni --- bfd/elflink.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/bfd/elflink.c b/bfd/elflink.c index 6346d7e2b4b..a0b237b2224 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -15084,6 +15084,10 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma offset, void *cookie) } else { + if (r_symndx >= rcookie->locsymcount) + /* This can happen with corrupt input. */ + return false; + /* It's not a relocation against a global symbol, but it could be a relocation against a local symbol for a discarded section. */ -- 2.49.0