SUSE: Security Advisory (SUSE-SU-2023:3902-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.4.2023.3902.1");
  script_cve_id("CVE-2022-40982", "CVE-2023-20588", "CVE-2023-20593", "CVE-2023-34322");
  script_tag(name:"creation_date", value:"2023-10-02 04:24:06 +0000 (Mon, 02 Oct 2023)");
  script_version("2024-02-02T14:37:52+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:52 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/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:"2024-01-11 17:07:43 +0000 (Thu, 11 Jan 2024)");

  script_name("SUSE: Security Advisory (SUSE-SU-2023:3902-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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=(SLES15\.0SP1)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2023:3902-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2023/suse-su-20233902-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2023:3902-1 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-2023-20588: Fixed AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).
CVE-2023-34322: Fixed top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).
CVE-2023-20593: Fixed AMD Zenbleed (XSA-433) (bsc#1213616).
CVE-2022-40982: Fixed Intel Gather Data Sampling (XSA-435) (bsc#1214083).");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE CaaS Platform 4.0, SUSE Linux Enterprise High Performance Computing 15-SP1, SUSE Linux Enterprise Server 15-SP1, SUSE Linux Enterprise Server for SAP Applications 15-SP1.");

  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 == "SLES15.0SP1") {

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.12.4_38~150100.3.92.1", rls:"SLES15.0SP1"))) {
    report += res;
  }

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

exit(0);