5.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:P/I:P/A:C
5.8 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
0.001 Low
EPSS
Percentile
42.0%
kernel-4.1.13-100.fc21 - Linux v4.1.13 - CVE-2015-8104 kvm: DoS infinite loop in microcode DB exception (rhbz 1278496 1279691) - CVE-2015-5307 kvm: DoS infinite loop in microcode AC exception (rhbz 1277172 1279688)
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory 2015-f2c534bc12.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(89459);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2015-5307", "CVE-2015-7799", "CVE-2015-7990", "CVE-2015-8104");
script_xref(name:"FEDORA", value:"2015-f2c534bc12");
script_name(english:"Fedora 21 : kernel-4.1.13-100.fc21 (2015-f2c534bc12)");
script_summary(english:"Checks rpm output for the updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Fedora host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"kernel-4.1.13-100.fc21 - Linux v4.1.13 - CVE-2015-8104 kvm: DoS
infinite loop in microcode DB exception (rhbz 1278496 1279691) -
CVE-2015-5307 kvm: DoS infinite loop in microcode AC exception (rhbz
1277172 1279688)
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1271134"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1276437"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1277172"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=1278496"
);
# https://lists.fedoraproject.org/pipermail/package-announce/2015-November/172185.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?8e3663e6"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected kernel package."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:kernel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:21");
script_set_attribute(attribute:"patch_publication_date", value:"2015/11/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/03/04");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2016-2021 Tenable Network Security, Inc.");
script_family(english:"Fedora Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^21([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 21.x", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC21", reference:"kernel-4.1.13-100.fc21")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fedoraproject | fedora | kernel | p-cpe:/a:fedoraproject:fedora:kernel |
fedoraproject | fedora | 21 | cpe:/o:fedoraproject:fedora:21 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5307
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7799
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7990
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8104
www.nessus.org/u?8e3663e6
bugzilla.redhat.com/show_bug.cgi?id=1271134
bugzilla.redhat.com/show_bug.cgi?id=1276437
bugzilla.redhat.com/show_bug.cgi?id=1277172
bugzilla.redhat.com/show_bug.cgi?id=1278496
5.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:P/I:P/A:C
5.8 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
0.001 Low
EPSS
Percentile
42.0%