389-ds-base/0001-Bug-2027783-CVE-2021-4091-389-ds-base-double-free-of.patch
Mark Reynolds 18e096dcd4 Bump version to 2.0.13-1
Resolves: Bug 2034880 - ipa-restore command is failing when restore after uninstalling the server
Resolves: Bug 2045098 - Demoting a supplier to a consumer crashes the server
2022-01-25 15:10:25 -05:00

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1.1 KiB
Diff

From d41352806f44c47a9e99f9eb1b0bdfef7b0aa4f4 Mon Sep 17 00:00:00 2001
From: Mark Reynolds <mreynolds@redhat.com>
Date: Tue, 25 Jan 2022 12:27:02 -0500
Subject: [PATCH] Bug 2027783 - CVE-2021-4091 389-ds-base: double-free of the
virtual attribute context in persistent search
Description: Fix double free. The double free is related to
persistent search req. It was introduced with i
https://pagure.io/389-ds-base/issue/49097
Reviewed by: mreynolds, progier, jchapman
---
ldap/servers/slapd/pblock.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/ldap/servers/slapd/pblock.c b/ldap/servers/slapd/pblock.c
index 94e7c0ab7..56bbfc92e 100644
--- a/ldap/servers/slapd/pblock.c
+++ b/ldap/servers/slapd/pblock.c
@@ -330,6 +330,8 @@ slapi_pblock_clone(Slapi_PBlock *pb)
if (pb->pb_intplugin != NULL) {
_pblock_assert_pb_intplugin(new_pb);
*(new_pb->pb_intplugin) = *(pb->pb_intplugin);
+ /* Make sure that only the cloned pblock refers to vattr_context */
+ pb->pb_intplugin->pb_vattr_context = NULL;
}
if (pb->pb_deprecated != NULL) {
_pblock_assert_pb_deprecated(new_pb);
--
2.31.1