SUSE: Security Advisory (SUSE-SU-2021:2407-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2021.2407.1");
  script_cve_id("CVE-2020-36385", "CVE-2021-22555", "CVE-2021-33909", "CVE-2021-3609", "CVE-2021-3612");
  script_tag(name:"creation_date", value:"2021-07-21 06:49:19 +0000 (Wed, 21 Jul 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  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:"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:"2021-07-13 18:30:21 +0000 (Tue, 13 Jul 2021)");

  script_name("SUSE: Security Advisory (SUSE-SU-2021:2407-1)");
  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/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP5)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:2407-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20212407-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'Linux Kernel' package(s) announced via the SUSE-SU-2021:2407-1 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 12 SP5 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

CVE-2021-22555: Fixed an heap out-of-bounds write in
 net/netfilter/x_tables.c that could allow local provilege escalation.
 (bnc#1188116)

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

CVE-2021-3609: Fixed a race condition in the CAN BCM networking protocol
 which allows for local privilege escalation (bsc#1187215).

CVE-2021-3612: Fixed an out-of-bounds memory write flaw which could
 allows a local user to crash the system or possibly escalate their
 privileges on the system. (bsc#1187585)

CVE-2020-36385: Fixed a use-after-free flaw in ucma.c which allows for
 local privilege escalation (bsc#1187050).

The following non-security bugs were fixed:

ACPI: property: Constify stubs for CONFIG_ACPI=n case (git-fixes).

ACPI: sysfs: Fix a buffer overrun problem with description_show()
 (git-fixes).

ALSA: isa: Fix error return code in snd_cmi8330_probe() (git-fixes).

arm_pmu: Fix write counter incorrect in ARMv7 big-endian mode
 (git-fixes).

arm64/mm: Fix ttbr0 values stored in struct thread_info for software-pan
 (git-fixes).

ASoC: cs42l42: Correct definition of CS42L42_ADC_PDN_MASK (git-fixes).

ASoC: hisilicon: fix missing clk_disable_unprepare() on error in
 hi6210_i2s_startup() (git-fixes).

ata: ahci_sunxi: Disable DIPM (git-fixes).

ath10k: Fix an error code in ath10k_add_interface() (git-fixes).

Bluetooth: mgmt: Fix slab-out-of-bounds in tlv_data_is_valid (git-fixes).

brcmfmac: correctly report average RSSI in station info (git-fixes).

brcmfmac: fix setting of station info chains bitmask (git-fixes).

brcmsmac: mac80211_if: Fix a resource leak in an error handling path
 (git-fixes).

can: flexcan: disable completely the ECC mechanism (git-fixes).

can: gw: synchronize rcu operations before removing gw job entry
 (git-fixes).

can: hi311x: hi3110_can_probe(): silence clang warning (git-fixes).

can: peak_pciefd: pucan_handle_status(): fix a potential starvation
 issue in TX path (git-fixes).

can: xilinx_can: xcan_chip_start(): fix failure with invalid bus
 (git-fixes).

cfg80211: call cfg80211_leave_ocb when switching away from OCB
 (git-fixes).

char: pcmcia: error out if 'num_bytes_read' is greater than 4 in
 set_protocol() (git-fixes).

crypto: cavium/nitrox - Fix an error rhandling path in 'nitrox_probe()'
 (git-fixes).

crypto: ccp - Fix a resource leak in an error handling path (12sp5).

cxgb4: fix wrong shift (git-fixes).

drm: qxl: ensure surf.data is ininitialized (git-fixes).

drm/nouveau: wait for moving fence after pinning v2 (git-fixes).

drm/radeon: wait for moving fence after pinning (git-fixes).

drm/rockchip: cdn-dp-core: add missing clk_disable_unprepare() on error
 in cdn_dp_grf_write() (git-fixes).

extcon: max8997: Add ... [Please see the references for more information on the vulnerabilities]");

  script_tag(name:"affected", value:"'Linux Kernel' package(s) on SUSE Linux Enterprise Server 12-SP5.");

  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 == "SLES12.0SP5") {

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure", rpm:"kernel-azure~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-base", rpm:"kernel-azure-base~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-base-debuginfo", rpm:"kernel-azure-base-debuginfo~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-debuginfo", rpm:"kernel-azure-debuginfo~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-debugsource", rpm:"kernel-azure-debugsource~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-azure-devel", rpm:"kernel-azure-devel~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-devel-azure", rpm:"kernel-devel-azure~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-source-azure", rpm:"kernel-source-azure~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-syms-azure", rpm:"kernel-syms-azure~4.12.14~16.65.1", rls:"SLES12.0SP5"))) {
    report += res;
  }

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

exit(0);