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openSUSE: Security Advisory for the (openSUSE-SU-2021:2409-1)

🗓️ 21 Jul 2021 00:00:00Reported by Copyright (C) 2021 Greenbone AGType 
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Security update for openSUSE Leap 15.3 Azure kernel with various bugfixes and addressing CVE-2021-22555, CVE-2021-33909

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# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.853998");
  script_version("2025-12-19T15:41:09+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2021-22555", "CVE-2021-33909");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2025-12-19 15:41:09 +0000 (Fri, 19 Dec 2025)");
  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:"2021-07-29 17:46:00 +0000 (Thu, 29 Jul 2021)");
  script_tag(name:"creation_date", value:"2021-07-21 03:02:15 +0000 (Wed, 21 Jul 2021)");
  script_name("openSUSE: Security Advisory for the (openSUSE-SU-2021:2409-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  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\.3");

  script_xref(name:"Advisory-ID", value:"openSUSE-SU-2021:2409-1");
  script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/PZY5AYK3E4EZBBTJOQXWCMRDFFYLM6EB");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'the'
  package(s) announced via the openSUSE-SU-2021:2409-1 advisory.");

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

  script_tag(name:"insight", value:"The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive
     various security and bugfixes.

     The following security bugs were fixed:

  - CVE-2021-22555: A heap out-of-bounds write affecting Linux since
       v2.6.19-rc1 was discovered in net/netfilter/x_tables.c (bnc#1188116 ).

  - CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer
       that allows to obtain full root privileges (bsc#1188062).

     The following non-security bugs were fixed:

  - ceph: must hold snap_rwsem when filling inode for async create
       (bsc#1187927).

  - cgroup1: do not allow &#x27 \n&#x27  in renaming (bsc#1187972).

  - qla2xxx: synchronize rport dev_loss_tmo setting (bsc#1182470
       bsc#1185486).

  - scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM (bsc#1187980).

  - usb: dwc3: Fix debugfs creation flow (git-fixes).

  - x86/pkru: Write hardware init value to PKRU when xstate is init
       (bsc#1152489).

  - x86/process: Check PF_KTHREAD and not current- mm for kernel threads
       (bsc#1152489).


  Special Instructions and Notes:

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

  script_tag(name:"affected", value:"'the' package(s) on openSUSE Leap 15.3.");

  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 == "openSUSELeap15.3") {

  if(!isnull(res = isrpmvuln(pkg:"cluster-md-kmp-azure", rpm:"cluster-md-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"cluster-md-kmp-azure-debuginfo", rpm:"cluster-md-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"dlm-kmp-azure", rpm:"dlm-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"dlm-kmp-azure-debuginfo", rpm:"dlm-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"gfs2-kmp-azure", rpm:"gfs2-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"gfs2-kmp-azure-debuginfo", rpm:"gfs2-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure", rpm:"kernel-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-debuginfo", rpm:"kernel-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-debugsource", rpm:"kernel-azure-debugsource~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-devel", rpm:"kernel-azure-devel~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-devel-debuginfo", rpm:"kernel-azure-devel-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-extra", rpm:"kernel-azure-extra~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-extra-debuginfo", rpm:"kernel-azure-extra-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-livepatch-devel", rpm:"kernel-azure-livepatch-devel~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-optional", rpm:"kernel-azure-optional~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-optional-debuginfo", rpm:"kernel-azure-optional-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-syms-azure", rpm:"kernel-syms-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kselftests-kmp-azure", rpm:"kselftests-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kselftests-kmp-azure-debuginfo", rpm:"kselftests-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ocfs2-kmp-azure", rpm:"ocfs2-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ocfs2-kmp-azure-debuginfo", rpm:"ocfs2-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"reiserfs-kmp-azure", rpm:"reiserfs-kmp-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"reiserfs-kmp-azure-debuginfo", rpm:"reiserfs-kmp-azure-debuginfo~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-devel-azure", rpm:"kernel-devel-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-source-azure", rpm:"kernel-source-azure~5.3.18~38.14.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

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

exit(0);

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