| Brad Bishop | 220d553 | 2018-08-14 00:59:39 +0100 | [diff] [blame] | 1 | From 33438037e00ec750bff020578b1a5b6f75f60555 Mon Sep 17 00:00:00 2001 |
| 2 | From: Adam Majer <amajer@suse.de> |
| 3 | Date: Fri, 17 Aug 2018 14:41:02 +0800 |
| 4 | Subject: [PATCH] fix CVE-2018-8882 |
| 5 | |
| 6 | https://bugzilla.nasm.us/show_bug.cgi?id=3392445 |
| 7 | |
| 8 | Upstream-Status: Submitted [https://bugzilla.nasm.us/show_bug.cgi?id=3392445] |
| 9 | CVE: CVE-2018-8882 |
| 10 | Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> |
| 11 | --- |
| 12 | asm/float.c | 2 ++ |
| 13 | 1 file changed, 2 insertions(+) |
| 14 | |
| 15 | diff --git a/asm/float.c b/asm/float.c |
| 16 | index dcf69fea..2965d3db 100644 |
| 17 | --- a/asm/float.c |
| 18 | +++ b/asm/float.c |
| 19 | @@ -608,6 +608,8 @@ static void ieee_shr(fp_limb *mant, int i) |
| 20 | if (offs) |
| 21 | for (j = MANT_LIMBS-1; j >= offs; j--) |
| 22 | mant[j] = mant[j-offs]; |
| 23 | + } else if (MANT_LIMBS-1-offs < 0) { |
| 24 | + j = MANT_LIMBS-1; |
| 25 | } else { |
| 26 | n = mant[MANT_LIMBS-1-offs] >> sr; |
| 27 | for (j = MANT_LIMBS-1; j > offs; j--) { |
| 28 | -- |
| 29 | 2.17.1 |
| 30 | |