From 15d2428d5d3df8dd826008baf51579ab7750d8b2 Mon Sep 17 00:00:00 2001 From: Xiangyu Chen Date: Wed, 23 Nov 2022 11:17:01 +0800 Subject: [OE-Core][kirkstone][PATCH] bash: heap-buffer-overflow in valid_parameter_transform CVE-2022-3715 Reference:https://bugzilla.redhat.com/show_bug.cgi?id=2126720 CVE: CVE-2022-3715 Upstream-Status: Backport from [https://git.savannah.gnu.org/cgit/bash.git/diff/subst.c?h=bash-5.2-testing&id=9cef6d01181525de119832d2b6a925899cdec08e] Signed-off-by: Xiangyu Chen --- subst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/subst.c b/subst.c index 2b76256..38ee9ac 100644 --- a/subst.c +++ b/subst.c @@ -7962,7 +7962,7 @@ parameter_brace_transform (varname, value, ind, xform, rtype, quoted, pflags, fl return ((char *)NULL); } - if (valid_parameter_transform (xform) == 0) + if (xform[0] == 0 || valid_parameter_transform (xform) == 0) { this_command_name = oname; #if 0 /* TAG: bash-5.2 Martin Schulte 10/2020 */ -- 2.34.1