CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
46.7%
The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5678-1 advisory.
It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812)
Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information. (CVE-2022-1012, CVE-2022-32296)
Duoming Zhou discovered that race conditions existed in the timer handling implementation of the Linux kernel's Rose X.25 protocol layer, resulting in use-after-free vulnerabilities. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-2318)
Roger Pau Monn discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information (guest kernel memory). (CVE-2022-26365)
Roger Pau Monn discovered that the Xen paravirtualization frontend in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information (guest kernel memory). (CVE-2022-33740)
It was discovered that the Xen paravirtualization frontend in the Linux kernel incorrectly shared unrelated data when communicating with certain backends. A local attacker could use this to cause a denial of service (guest crash) or expose sensitive information (guest kernel memory). (CVE-2022-33741, CVE-2022-33742)
Oleksandr Tyshchenko discovered that the Xen paravirtualization platform in the Linux kernel on ARM platforms contained a race condition in certain situations. An attacker in a guest VM could use this to cause a denial of service in the host OS. (CVE-2022-33744)
Tenable has extracted the preceding description block directly from the Ubuntu security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-5678-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##
include('compat.inc');
if (description)
{
script_id(166113);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/27");
script_cve_id(
"CVE-2022-0812",
"CVE-2022-1012",
"CVE-2022-2318",
"CVE-2022-26365",
"CVE-2022-32296",
"CVE-2022-33740",
"CVE-2022-33741",
"CVE-2022-33742",
"CVE-2022-33744"
);
script_xref(name:"USN", value:"5678-1");
script_name(english:"Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-5678-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in
the USN-5678-1 advisory.
It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly
calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2022-0812)
Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not
provide sufficient randomization when calculating port offsets. An attacker could possibly use this to
expose sensitive information. (CVE-2022-1012, CVE-2022-32296)
Duoming Zhou discovered that race conditions existed in the timer handling implementation of the Linux
kernel's Rose X.25 protocol layer, resulting in use-after-free vulnerabilities. A local attacker could use
this to cause a denial of service (system crash). (CVE-2022-2318)
Roger Pau Monn discovered that the Xen virtual block driver in the Linux kernel did not properly
initialize memory pages to be used for shared communication with the backend. A local attacker could use
this to expose sensitive information (guest kernel memory). (CVE-2022-26365)
Roger Pau Monn discovered that the Xen paravirtualization frontend in the Linux kernel did not properly
initialize memory pages to be used for shared communication with the backend. A local attacker could use
this to expose sensitive information (guest kernel memory). (CVE-2022-33740)
It was discovered that the Xen paravirtualization frontend in the Linux kernel incorrectly shared
unrelated data when communicating with certain backends. A local attacker could use this to cause a denial
of service (guest crash) or expose sensitive information (guest kernel memory). (CVE-2022-33741,
CVE-2022-33742)
Oleksandr Tyshchenko discovered that the Xen paravirtualization platform in the Linux kernel on ARM
platforms contained a race condition in certain situations. An attacker in a guest VM could use this to
cause a denial of service in the host OS. (CVE-2022-33744)
Tenable has extracted the preceding description block directly from the Ubuntu security advisory.
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://ubuntu.com/security/notices/USN-5678-1");
script_set_attribute(attribute:"solution", value:
"Update the affected kernel package.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-33742");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2022-1012");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/06/05");
script_set_attribute(attribute:"patch_publication_date", value:"2022/10/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/10/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1137-gcp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1142-aws");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Ubuntu Local Security Checks");
script_copyright(english:"Ubuntu Security Notice (C) 2022-2024 Canonical, Inc. / NASL script (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
exit(0);
}
include('debian_package.inc');
include('ksplice.inc');
if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('18.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 18.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) 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, 'Ubuntu', cpu);
var kernel_mappings = {
'18.04': {
'4.15.0': {
'gcp': '4.15.0-1137',
'aws': '4.15.0-1142'
}
}
};
var host_kernel_release = get_kb_item('Host/uptrack-uname-r');
if (empty_or_null(host_kernel_release)) host_kernel_release = get_kb_item_or_exit('Host/uname-r');
var host_kernel_base_version = get_kb_item_or_exit('Host/Debian/kernel-base-version');
var host_kernel_type = get_kb_item_or_exit('Host/Debian/kernel-type');
if(empty_or_null(kernel_mappings[os_release][host_kernel_base_version][host_kernel_type])) audit(AUDIT_INST_VER_NOT_VULN, 'kernel ' + host_kernel_release);
var extra = '';
var kernel_fixed_version = kernel_mappings[os_release][host_kernel_base_version][host_kernel_type] + "-" + host_kernel_type;
if (deb_ver_cmp(ver1:host_kernel_release, ver2:kernel_fixed_version) < 0)
{
extra += 'Running Kernel level of ' + host_kernel_release + ' does not meet the minimum fixed level of ' + kernel_fixed_version + ' for this advisory.\n\n';
}
else
{
audit(AUDIT_PATCH_INSTALLED, 'Kernel package for USN-5678-1');
}
if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
var cve_list = make_list('CVE-2022-0812', 'CVE-2022-1012', 'CVE-2022-2318', 'CVE-2022-26365', 'CVE-2022-32296', 'CVE-2022-33740', 'CVE-2022-33741', 'CVE-2022-33742', 'CVE-2022-33744');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-5678-1');
}
else
{
extra = extra + ksplice_reporting_text();
}
}
if (extra) {
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
extra : extra
);
exit(0);
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | linux-image-4.15.0-1137-gcp | p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1137-gcp |
canonical | ubuntu_linux | 18.04 | cpe:/o:canonical:ubuntu_linux:18.04:-:lts |
canonical | ubuntu_linux | linux-image-4.15.0-1142-aws | p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1142-aws |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0812
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1012
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2318
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26365
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-32296
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33740
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33741
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33742
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33744
ubuntu.com/security/notices/USN-5678-1
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
46.7%