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[AutoPR- Security] Patch gdb for CVE-2025-11082 [MEDIUM] #92

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[AutoPR- Security] Patch gdb for CVE-2025-11082 [MEDIUM] #92

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47 changes: 47 additions & 0 deletions SPECS/gdb/CVE-2025-11082.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
From 673292b3f4800cbf9b454513b5e535809e46d1fc Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <[email protected]>
Date: Mon, 22 Sep 2025 15:20:34 +0800
Subject: [PATCH] elf: Don't read beyond .eh_frame section size

PR ld/33464
* elf-eh-frame.c (_bfd_elf_parse_eh_frame): Don't read beyond
.eh_frame section size.

Signed-off-by: H.J. Lu <[email protected]>
Signed-off-by: Azure Linux Security Servicing Account <[email protected]>
Upstream-reference: https://github.com/bminor/binutils-gdb/commit/ea1a0737c7692737a644af0486b71e4a392cbca8.patch
---
bfd/elf-eh-frame.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c
index 6ce6d22..f1f6b46 100644
--- a/bfd/elf-eh-frame.c
+++ b/bfd/elf-eh-frame.c
@@ -733,6 +733,7 @@ _bfd_elf_parse_eh_frame (bfd *abfd, struct bfd_link_info *info,
if (hdr_id == 0)
{
unsigned int initial_insn_length;
+ char *null_byte;

/* CIE */
this_inf->cie = 1;
@@ -749,10 +750,13 @@ _bfd_elf_parse_eh_frame (bfd *abfd, struct bfd_link_info *info,
REQUIRE (cie->version == 1
|| cie->version == 3
|| cie->version == 4);
- REQUIRE (strlen ((char *) buf) < sizeof (cie->augmentation));
+ null_byte = memchr ((char *) buf, 0, end - buf);
+ REQUIRE (null_byte != NULL);
+ REQUIRE ((size_t) (null_byte - (char *) buf)
+ < sizeof (cie->augmentation));

strcpy (cie->augmentation, (char *) buf);
- buf = (bfd_byte *) strchr ((char *) buf, '\0') + 1;
+ buf = (bfd_byte *) null_byte + 1;
this_inf->u.cie.aug_str_len = buf - start - 1;
ENSURE_NO_RELOCS (buf);
if (buf[0] == 'e' && buf[1] == 'h')
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/gdb/gdb.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: C debugger
Name: gdb
Version: 11.2
Release: 7%{?dist}
Release: 8%{?dist}
License: GPLv2+
Vendor: Microsoft Corporation
Distribution: Mariner
Expand All @@ -18,6 +18,7 @@ Patch6: CVE-2022-48065.patch
Patch7: CVE-2022-47673.patch
Patch8: CVE-2022-47696.patch
Patch9: CVE-2025-7546.patch
Patch10: CVE-2025-11082.patch
BuildRequires: expat-devel
BuildRequires: gcc-c++
BuildRequires: gcc-gfortran
Expand Down Expand Up @@ -102,6 +103,9 @@ rm -rvf libctf/testsuite
%{_mandir}/*/*

%changelog
* Fri Oct 03 2025 Azure Linux Security Servicing Account <[email protected]> - 11.2-8
- Patch for CVE-2025-11082

* Fri Jul 18 2025 Akhila Guruju <[email protected]> - 11.2-7
- Patch CVE-2025-7546
- Fix package tests
Expand Down
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