SUSE: Security Advisory (SUSE-SU-2022:1375-1)

# SPDX-FileCopyrightText: 2022 Greenbone AG
# 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-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.4.2022.1375.1");
  script_cve_id("CVE-2021-20257", "CVE-2021-26401", "CVE-2022-0001", "CVE-2022-0002", "CVE-2022-26356", "CVE-2022-26357", "CVE-2022-26358", "CVE-2022-26359", "CVE-2022-26360", "CVE-2022-26361");
  script_tag(name:"creation_date", value:"2022-04-26 04:23:27 +0000 (Tue, 26 Apr 2022)");
  script_version("2024-02-02T14:37:51+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:51 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-04-14 19:17:41 +0000 (Thu, 14 Apr 2022)");

  script_name("SUSE: Security Advisory (SUSE-SU-2022:1375-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP2)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2022:1375-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2022/suse-su-20221375-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2022:1375-1 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-2022-26356: Fixed potential race conditions in dirty memory tracking
 that could cause a denial of service in the host (bsc#1197423).

CVE-2022-26357: Fixed a potential race condition in memory cleanup for
 hosts using VT-d IOMMU hardware, which could lead to a denial of service
 in the host (bsc#1197425).

CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed
 various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU
 hardware. These could be leveraged by an attacker to cause a denial of
 service in the host (bsc#1197426).

CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation
 issue mitigations (bsc#1196915).

CVE-2021-20257: Fixed an infinite loop in the e1000 emulated device,
 which could cause an excessive CPU consumption in the host (bsc#1182846).");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Server 12-SP2.");

  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 == "SLES12.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.7.6_22~43.88.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

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

exit(0);