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b283276544
Affects <= 2.30 (From OE-Core rev: 9626b58123eb50cb830443b3f514988f5417cc6c) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From d895ef77ffc94e02e748856c2ab54f5bb8cc867e Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Fri, 9 Feb 2018 09:28:45 +0000
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Subject: [PATCH] Import patch from mainline to fix possible seg-fault whilst
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parsing corrupt ELF notes with extravagent alignments.
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PR 22788
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* elf.c (elf_parse_notes): Reject notes with excessuively large
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alignments.
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Upstream-Status: Backport
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Affects: Binutils <= 2.30
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CVE: CVE-2018-6872
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Signed-off-by: Armin Kuster <akuster@mvista.com>
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---
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bfd/ChangeLog | 9 +++++++++
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bfd/elf.c | 2 ++
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2 files changed, 11 insertions(+)
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Index: git/bfd/elf.c
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===================================================================
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--- git.orig/bfd/elf.c
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+++ git/bfd/elf.c
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@@ -11020,6 +11020,8 @@ elf_parse_notes (bfd *abfd, char *buf, s
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align is less than 4, we use 4 byte alignment. */
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if (align < 4)
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align = 4;
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+ if (align != 4 && align != 8)
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+ return FALSE;
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p = buf;
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while (p < buf + size)
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Index: git/bfd/ChangeLog
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===================================================================
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--- git.orig/bfd/ChangeLog
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+++ git/bfd/ChangeLog
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@@ -1,3 +1,12 @@
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+2018-02-09 Nick Clifton <nickc@redhat.com>
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+
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+ Import patch from mainline:
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+ 2018-02-08 Nick Clifton <nickc@redhat.com>
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+
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+ PR 22788
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+ * elf.c (elf_parse_notes): Reject notes with excessuively large
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+ alignments.
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+
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2018-03-01 Nick Clifton <nickc@redhat.com>
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PR 22905
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