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binutils : CVE-2022-38533

Browse Source 
Upstream-Status: Backport
[https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ef186fe54aa6d281a3ff8a9528417e5cc614c797]

(From OE-Core rev: 2cf26e2e5a83d2b2efd01de34c11da07eeb9c8f9)

Signed-off-by: Florin Diaconescu <florin.diaconescu009@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Florin Diaconescu
2022-09-13 15:45:43 +03:00
committed by Richard Purdie
parent a69227932f
commit aa19c8c35e
2 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/binutils/binutils-2.34.inc
View File

@@ -52,5 +52,6 @@ SRC_URI = "\
file://CVE-2021-3549.patch \
file://CVE-2020-16593.patch \
file://0001-CVE-2021-45078.patch \
file://CVE-2022-38533.patch \
"
S = "${WORKDIR}/git"

37
meta/recipes-devtools/binutils/binutils/CVE-2022-38533.patch Normal file
View File

@@ -0,0 +1,37 @@
From ef186fe54aa6d281a3ff8a9528417e5cc614c797 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Sat, 13 Aug 2022 15:32:47 +0930
Subject: [PATCH] PR29482 - strip: heap-buffer-overflow
PR 29482
* coffcode.h (coff_set_section_contents): Sanity check _LIB.
CVE: CVE-2022-38533
Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ef186fe54aa6d281a3ff8a9528417e5cc614c797]
Signed-off-by: Florin Diaconescu <florin.diaconescu009@gmail.com>
---
bfd/coffcode.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index dec2e9c6370..75c18d88602 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -4170,10 +4170,13 @@ coff_set_section_contents (bfd * abfd,
rec = (bfd_byte *) location;
recend = rec + count;
- while (rec < recend)
+ while (recend - rec >= 4)
{
+ size_t len = bfd_get_32 (abfd, rec);
+ if (len == 0 || len > (size_t) (recend - rec) / 4)
+ break;
+ rec += len * 4;
++section->lma;
- rec += bfd_get_32 (abfd, rec) * 4;
}
BFD_ASSERT (rec == recend);