openSUSE: Security Advisory for xen (openSUSE-SU-2021:1543-1)

# Copyright (C) 2021 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.854344");
  script_version("2025-02-28T05:38:49+0000");
  script_cve_id("CVE-2021-28702", "CVE-2021-28704", "CVE-2021-28705", "CVE-2021-28706", "CVE-2021-28707", "CVE-2021-28708", "CVE-2021-28709");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"last_modification", value:"2025-02-28 05:38:49 +0000 (Fri, 28 Feb 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-12-01 14:16:00 +0000 (Wed, 01 Dec 2021)");
  script_tag(name:"creation_date", value:"2021-12-07 02:02:54 +0000 (Tue, 07 Dec 2021)");
  script_name("openSUSE: Security Advisory for xen (openSUSE-SU-2021:1543-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/opensuse", "ssh/login/rpms", re:"ssh/login/release=openSUSELeap15\.2");

  script_xref(name:"Advisory-ID", value:"openSUSE-SU-2021:1543-1");
  script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/HUTTCXZ3RCSXYS25JPMTEXNGYRSDKJ26");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen'
  package(s) announced via the openSUSE-SU-2021:1543-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for xen fixes the following issues:

  - CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly
       (XSA-386) (bsc#1191363).

  - CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on
       misaligned GFNs (XSA-388) (bsc#1192557).

  - CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful
       P2M updates on x86 (XSA-389) (bsc#1192559).

  - CVE-2021-28706: Fixed guests may exceed their designated memory limit
       (XSA-385) (bsc#1192554).

  - Update to Xen 4.13.4 bug fix release (bsc#1027519).

     This update was imported from the SUSE:SLE-15-SP2:Update update project.


  Special Instructions and Notes:

     Please reboot the system after installing this update.");

  script_tag(name:"affected", value:"'xen' package(s) on openSUSE Leap 15.2.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "openSUSELeap15.2") {

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit-debuginfo", rpm:"xen-libs-32bit-debuginfo~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-xendomains-wait-disk", rpm:"xen-tools-xendomains-wait-disk~4.13.4_02~lp152.2.33.1", rls:"openSUSELeap15.2"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);