mirror of
https://git.yoctoproject.org/poky
synced 2026-02-26 11:29:40 +01:00
binutils: Fix CVE-2025-7546
Report corrupted group section instead of trying to recover. CVE: CVE-2025-7546 Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=41461010eb7c79fee7a9d5f6209accdaac66cc6b] PR 33050 [https://sourceware.org/bugzilla/show_bug.cgi?id=33050] (From OE-Core rev: e65073ff67e715999f6ab3906ead181e26c57360) Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
committed by
Richard Purdie
parent
dc28d83245
commit
e5cc507a3e
@@ -0,0 +1,58 @@
|
||||
From 41461010eb7c79fee7a9d5f6209accdaac66cc6b Mon Sep 17 00:00:00 2001
|
||||
From: "H.J. Lu" <hjl.tools@gmail.com>
|
||||
Date: Sat, 21 Jun 2025 06:52:00 +0800
|
||||
Subject: [PATCH] elf: Report corrupted group section
|
||||
|
||||
Report corrupted group section instead of trying to recover.
|
||||
|
||||
PR binutils/33050
|
||||
* elf.c (bfd_elf_set_group_contents): Report corrupted group
|
||||
section.
|
||||
|
||||
Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=41461010eb7c79fee7a9d5f6209accdaac66cc6b]
|
||||
CVE: CVE-2025-7546
|
||||
|
||||
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
|
||||
Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
|
||||
---
|
||||
bfd/elf.c | 23 ++++++++++-------------
|
||||
1 file changed, 10 insertions(+), 13 deletions(-)
|
||||
|
||||
diff --git a/bfd/elf.c b/bfd/elf.c
|
||||
index 14ce15c7254..ee894eb05f2 100644
|
||||
--- a/bfd/elf.c
|
||||
+++ b/bfd/elf.c
|
||||
@@ -3971,20 +3971,17 @@ bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg)
|
||||
break;
|
||||
}
|
||||
|
||||
- /* We should always get here with loc == sec->contents + 4, but it is
|
||||
- possible to craft bogus SHT_GROUP sections that will cause segfaults
|
||||
- in objcopy without checking loc here and in the loop above. */
|
||||
- if (loc == sec->contents)
|
||||
- BFD_ASSERT (0);
|
||||
- else
|
||||
+ /* We should always get here with loc == sec->contents + 4. Return
|
||||
+ an error for bogus SHT_GROUP sections. */
|
||||
+ loc -= 4;
|
||||
+ if (loc != sec->contents)
|
||||
{
|
||||
- loc -= 4;
|
||||
- if (loc != sec->contents)
|
||||
- {
|
||||
- BFD_ASSERT (0);
|
||||
- memset (sec->contents + 4, 0, loc - sec->contents);
|
||||
- loc = sec->contents;
|
||||
- }
|
||||
+ /* xgettext:c-format */
|
||||
+ _bfd_error_handler (_("%pB: corrupted group section: `%pA'"),
|
||||
+ abfd, sec);
|
||||
+ bfd_set_error (bfd_error_bad_value);
|
||||
+ *failedptr = true;
|
||||
+ return;
|
||||
}
|
||||
|
||||
H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc);
|
||||
--
|
||||
2.43.5
|
||||
|
||||
Reference in New Issue
Block a user