SUSE SLES12 Security Update : kernel (SUSE-SU-2023:2507-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2023:2507-1. The text itself
# is copyright (C) SUSE.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(177334);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/14");

  script_cve_id(
    "CVE-2022-3566",
    "CVE-2022-45884",
    "CVE-2022-45885",
    "CVE-2022-45886",
    "CVE-2022-45887",
    "CVE-2022-45919",
    "CVE-2023-1380",
    "CVE-2023-2176",
    "CVE-2023-2194",
    "CVE-2023-2269",
    "CVE-2023-2513",
    "CVE-2023-28466",
    "CVE-2023-31084",
    "CVE-2023-31436",
    "CVE-2023-32269"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2023:2507-1");

  script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2023:2507-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as
referenced in the SUSE-SU-2023:2507-1 advisory.

  - A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function
    tcp_getsockopt/tcp_setsockopt of the component TCP Handler. The manipulation leads to race condition. It
    is recommended to apply a patch to fix this issue. The identifier VDB-211089 was assigned to this
    vulnerability. (CVE-2022-3566)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-
    after-free, related to dvb_register_device dynamically allocating fops. (CVE-2022-45884)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_frontend.c has a
    race condition that can cause a use-after-free when a device is disconnected. (CVE-2022-45885)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a
    .disconnect versus dvb_device_open race condition that leads to a use-after-free. (CVE-2022-45886)

  - An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a
    memory leak because of the lack of a dvb_frontend_detach call. (CVE-2022-45887)

  - An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a
    use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
    (CVE-2022-45919)

  - A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in
    drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur
    when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading
    to a denial of service. (CVE-2023-1380)

  - A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux
    Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem
    to crash the system or escalation of privilege. (CVE-2023-2176)

  - An out-of-bounds write vulnerability was found in the Linux kernel's SLIMpro I2C device driver. The
    userspace data->block[0] variable was not capped to a number between 0-255 and was used as the size of a
    memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to
    crash the system or potentially achieve code execution. (CVE-2023-2194)

  - A denial of service problem was found, due to a possible recursive locking scenario, resulting in a
    deadlock in table_clear in drivers/md/dm-ioctl.c in the Linux Kernel Device Mapper-Multipathing sub-
    component. (CVE-2023-2269)

  - A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the
    extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system
    crash or other undefined behaviors. (CVE-2023-2513)

  - do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading
    to a race condition (with a resultant use-after-free or NULL pointer dereference). (CVE-2023-28466)

  - An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a
    blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is
    called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event,
    down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and
    down(&fepriv->sem) may block the process. (CVE-2023-31084)

  - qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write
    because lmax can exceed QFQ_MIN_LMAX. (CVE-2023-31436)

  - An issue was discovered in the Linux kernel before 6.1.11. In net/netrom/af_netrom.c, there is a use-
    after-free because accept is also allowed for a successfully connected AF_NETROM socket. However, in order
    for an attacker to exploit this, the system must have netrom routing configured or the attacker must have
    the CAP_NET_ADMIN capability. (CVE-2023-32269)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1065729");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1118212");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1129770");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1154048");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1172073");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1191731");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1199046");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1204405");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1205756");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1205758");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1205760");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1205762");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1205803");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1206878");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1209287");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1209366");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1209857");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210544");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210629");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210715");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210783");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210791");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210806");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1210940");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211044");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211089");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211105");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211186");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211275");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211360");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211361");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211362");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211363");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211364");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211365");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211366");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211466");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211592");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211622");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211796");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211801");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211816");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1211960");
  script_set_attribute(attribute:"see_also", value:"https://lists.suse.com/pipermail/sle-updates/2023-June/029874.html");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-3566");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-45884");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-45885");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-45886");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-45887");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-45919");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-1380");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-2176");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-2194");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-2269");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-2513");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-28466");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-31084");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-31436");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2023-32269");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-31436");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/10/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/06/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-devel-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-source-azure");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms-azure");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12 / SLES_SAP12', 'SUSE (' + os_ver + ')');

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'kernel-azure-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-base-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-devel-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-devel-azure-4.12.14-16.136.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-source-azure-4.12.14-16.136.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-syms-azure-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'kernel-azure-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-azure-base-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-azure-devel-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-devel-azure-4.12.14-16.136.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-source-azure-4.12.14-16.136.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'kernel-syms-azure-4.12.14-16.136.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel-azure / kernel-azure-base / kernel-azure-devel / etc');
}