From patchwork Mon Jan 10 12:19:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ross Burton X-Patchwork-Id: 2208 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FDF4C433EF for ; Mon, 10 Jan 2022 12:19:37 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web09.30835.1641817175853408900 for ; Mon, 10 Jan 2022 04:19:36 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: ross.burton@arm.com) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4D6592B for ; Mon, 10 Jan 2022 04:19:35 -0800 (PST) Received: from oss-tx204.lab.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E65223F5A1 for ; Mon, 10 Jan 2022 04:19:34 -0800 (PST) From: Ross Burton To: openembedded-core@lists.openembedded.org Subject: [PATCH] xserver-xorg: whitelist two CVEs Date: Mon, 10 Jan 2022 12:19:32 +0000 Message-Id: <20220110121932.4090264-1-ross.burton@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 10 Jan 2022 12:19:37 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/160345 CVE-2011-4613 is specific to Debian/Ubuntu. CVE-2020-25697 is a non-trivial attack that may not actually be feasible considering the default behaviour for clients is to exit if the connection is lost. Signed-off-by: Ross Burton --- meta/recipes-graphics/xorg-xserver/xserver-xorg.inc | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg.inc b/meta/recipes-graphics/xorg-xserver/xserver-xorg.inc index 4e88cf26f7..437d5a8861 100644 --- a/meta/recipes-graphics/xorg-xserver/xserver-xorg.inc +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg.inc @@ -20,6 +20,14 @@ SRC_URI = "${XORG_MIRROR}/individual/xserver/${XORG_PN}-${PV}.tar.xz" UPSTREAM_CHECK_REGEX = "xorg-server-(?P\d+(\.(?!99)\d+)+)\.tar" CVE_PRODUCT = "xorg-server x_server" +# This is specific to Debian's xserver-wrapper.c +CVE_CHECK_WHITELIST += "CVE-2011-4613" +# As per upstream, exploiting this flaw is non-trivial and it requires exact +# timing on the behalf of the attacker. Many graphical applications exit if their +# connection to the X server is lost, so a typical desktop session is either +# impossible or difficult to exploit. There is currently no upstream patch +# available for this flaw. +CVE_CHECK_WHITELIST += "CVE-2020-25697" S = "${WORKDIR}/${XORG_PN}-${PV}"