7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.076 Low
EPSS
Percentile
94.2%
The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:0764-1 advisory.
Non-transparent sharing of branch predictor selectors between contexts in some Intel® Processors may allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0001)
Non-transparent sharing of branch predictor within a context in some Intel® Processors may allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0002)
A flaw was found in the way the flags member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system. (CVE-2022-0847)
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 70300
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2022:0764-1. The text itself
# is copyright (C) SUSE.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(159156);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/14");
script_cve_id("CVE-2022-0001", "CVE-2022-0002", "CVE-2022-0847");
script_xref(name:"SuSE", value:"SUSE-SU-2022:0764-1");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/16");
script_name(english:"SUSE SLES15 Security Update : kernel (SUSE-SU-2022:0764-1)");
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 SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in
the SUSE-SU-2022:0764-1 advisory.
- Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may
allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0001)
- Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an
authorized user to potentially enable information disclosure via local access. (CVE-2022-0002)
- A flaw was found in the way the flags member of the new pipe buffer structure was lacking proper
initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus
contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache
backed by read only files and as such escalate their privileges on the system. (CVE-2022-0847)
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/1191580");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1192483");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1195701");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1195995");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1196584");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-0001");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-0002");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2022-0847");
# https://lists.suse.com/pipermail/sle-security-updates/2022-March/010389.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2f7ac8b9");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/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:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-0847");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Dirty Pipe Local Privilege Escalation via CVE-2022-0847');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
script_set_attribute(attribute:"canvas_package", value:"CANVAS");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/03/10");
script_set_attribute(attribute:"patch_publication_date", value:"2022/03/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/03/22");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dlm-kmp-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:gfs2-kmp-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-devel-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-rt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-rt_debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-source-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms-rt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
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) 2022-2023 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)\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES15', 'SUSE (' + os_ver + ')');
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && '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 == "SLES15" && (! preg(pattern:"^(2)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES15 SP2", os_ver + " SP" + service_pack);
var pkgs = [
{'reference':'cluster-md-kmp-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'dlm-kmp-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'gfs2-kmp-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-devel-rt-5.3.18-76.1', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-rt-devel-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-rt_debug-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-rt_debug-devel-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-source-rt-5.3.18-76.1', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'kernel-syms-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']},
{'reference':'ocfs2-kmp-rt-5.3.18-76.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_RT-release-15.2', 'sle-module-rt-release-15.2']}
];
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_HOLE,
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, 'cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | cluster-md-kmp-rt | p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt |
novell | suse_linux | dlm-kmp-rt | p-cpe:/a:novell:suse_linux:dlm-kmp-rt |
novell | suse_linux | gfs2-kmp-rt | p-cpe:/a:novell:suse_linux:gfs2-kmp-rt |
novell | suse_linux | kernel-devel-rt | p-cpe:/a:novell:suse_linux:kernel-devel-rt |
novell | suse_linux | kernel-rt | p-cpe:/a:novell:suse_linux:kernel-rt |
novell | suse_linux | kernel-rt-devel | p-cpe:/a:novell:suse_linux:kernel-rt-devel |
novell | suse_linux | kernel-rt_debug | p-cpe:/a:novell:suse_linux:kernel-rt_debug |
novell | suse_linux | kernel-rt_debug-devel | p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel |
novell | suse_linux | kernel-source-rt | p-cpe:/a:novell:suse_linux:kernel-source-rt |
novell | suse_linux | kernel-syms-rt | p-cpe:/a:novell:suse_linux:kernel-syms-rt |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0001
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0002
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0847
www.nessus.org/u?2f7ac8b9
bugzilla.suse.com/1191580
bugzilla.suse.com/1192483
bugzilla.suse.com/1195701
bugzilla.suse.com/1195995
bugzilla.suse.com/1196584
www.suse.com/security/cve/CVE-2022-0001
www.suse.com/security/cve/CVE-2022-0002
www.suse.com/security/cve/CVE-2022-0847
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.076 Low
EPSS
Percentile
94.2%