CentOS: Security Advisory for bpftool (CESA-2021:3801)

# Copyright (C) 2021 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.883383");
  script_version("2022-03-14T03:03:36+0000");
  script_cve_id("CVE-2021-3653", "CVE-2021-3656", "CVE-2021-22543", "CVE-2021-37576");
  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:"2022-03-14 03:03:36 +0000 (Mon, 14 Mar 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-10 18:55:00 +0000 (Thu, 10 Mar 2022)");
  script_tag(name:"creation_date", value:"2021-11-18 02:01:43 +0000 (Thu, 18 Nov 2021)");
  script_name("CentOS: Security Advisory for bpftool (CESA-2021:3801)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("CentOS Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS7");

  script_xref(name:"Advisory-ID", value:"CESA-2021:3801");
  script_xref(name:"URL", value:"https://lists.centos.org/pipermail/centos-announce/2021-November/048398.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'bpftool'
  package(s) announced via the CESA-2021:3801 advisory.");

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

  script_tag(name:"insight", value:"The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

  * kernel: Improper handling of VM_IO<pipe>VM_PFNMAP vmas in KVM can bypass RO
checks (CVE-2021-22543)

  * kernel: powerpc: KVM guest OS users can cause host OS memory corruption
(CVE-2021-37576)

  * kernel: SVM nested virtualization issue in KVM (AVIC support)
(CVE-2021-3653)

  * kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)
(CVE-2021-3656)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

  * Kernel panic due to double fault with DLM reporting for socket error
'sk_err=32/0' (BZ#1834878)

  * 'MFW indication via attention' message getting logged frequently after
every 5 minutes (BZ#1854544)

  * lpfc fails to discovery in pt2pt with '2754 PRLI failure DID:0000EF
Status:x9/x91e00, data: x0' (BZ#1922479)

  * pcpu_get_vm_areas using most memory from VmallocUsed (BZ#1970618)

  * RHEL 7.9.z [qedf driver] Racing condition between qedf_cleanup_fcport and
releasing command after timeout (BZ#1982702)

  * [Azure] RHEL 7.9 reports GPU/IB topology incorrectly on some Azure SKUs
(BZ#1984128)

  * [stable guest ABI]Hot add CPU after migration cause guest hang
(BZ#1991856)

  * i40e driver crash at  RIP: i40e_config_vf_promiscuous_mode+0x165
(BZ#1993850)

  * [nfs] Performance issue since commit 5a4f6f11951e (BZ#1995649)

  * [kernel] Indefinite waiting for RCU callback while removing cgroup
(BZ#2000973)");

  script_tag(name:"affected", value:"'bpftool' package(s) on CentOS 7.");

  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 == "CentOS7") {

  if(!isnull(res = isrpmvuln(pkg:"bpftool", rpm:"bpftool~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel", rpm:"kernel~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-abi-whitelists", rpm:"kernel-abi-whitelists~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-debug", rpm:"kernel-debug~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-debug-devel", rpm:"kernel-debug-devel~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-devel", rpm:"kernel-devel~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-doc", rpm:"kernel-doc~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-headers", rpm:"kernel-headers~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-tools", rpm:"kernel-tools~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-tools-libs", rpm:"kernel-tools-libs~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"kernel-tools-libs-devel", rpm:"kernel-tools-libs-devel~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"perf", rpm:"perf~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python-perf", rpm:"python-perf~3.10.0~1160.45.1.el7", rls:"CentOS7"))) {
    report += res;
  }

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

exit(0);