4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
7.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.4%
This update for the Linux Kernel 4.4.180-94_135 fixes one issue.
The following security issues were fixed :
CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).
CVE-2021-26930: Fixed an improper error handling in blkback’s grant mapping (XSA-365 bsc#1182294).
CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:1373-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(149083);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/03");
script_cve_id("CVE-2021-26930", "CVE-2021-26931", "CVE-2021-28688");
script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1373-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"This update for the Linux Kernel 4.4.180-94_135 fixes one issue.
The following security issues were fixed :
CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294,
bsc#1183646).
CVE-2021-26930: Fixed an improper error handling in blkback's grant
mapping (XSA-365 bsc#1182294).
CVE-2021-26931: Fixed an issue where Linux kernel was treating grant
mapping errors as bugs (XSA-362 bsc#1183022).
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE 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.suse.com/show_bug.cgi?id=1182294");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-26930/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-26931/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-28688/");
# https://www.suse.com/support/update/announcement/2021/suse-su-20211373-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6d84b1b5");
script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Server for SAP 12-SP3 :
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1337=1
SUSE-SLE-SAP-12-SP3-2021-1338=1 SUSE-SLE-SAP-12-SP3-2021-1339=1
SUSE-SLE-SAP-12-SP3-2021-1340=1 SUSE-SLE-SAP-12-SP3-2021-1371=1
SUSE-SLE-SAP-12-SP3-2021-1372=1 SUSE-SLE-SAP-12-SP3-2021-1373=1
SUSE Linux Enterprise Server 12-SP3-LTSS :
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1337=1
SUSE-SLE-SERVER-12-SP3-2021-1338=1 SUSE-SLE-SERVER-12-SP3-2021-1339=1
SUSE-SLE-SERVER-12-SP3-2021-1340=1 SUSE-SLE-SERVER-12-SP3-2021-1371=1
SUSE-SLE-SERVER-12-SP3-2021-1372=1 SUSE-SLE-SERVER-12-SP3-2021-1373=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-26930");
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:"2021/02/17");
script_set_attribute(attribute:"patch_publication_date", value:"2021/04/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_130-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_135-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_135-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_138-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_138-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
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) 2021-2024 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("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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP3", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_116-default-10-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_116-default-debuginfo-10-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_121-default-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_121-default-debuginfo-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_124-default-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_124-default-debuginfo-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_127-default-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_127-default-debuginfo-9-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_130-default-8-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_130-default-debuginfo-8-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_135-default-6-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_135-default-debuginfo-6-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_138-default-4-2.2")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kgraft-patch-4_4_180-94_138-default-debuginfo-4-2.2")) 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 |
---|---|---|---|
novell | suse_linux | kgraft-patch-4_4_180-94_121-default | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default |
novell | suse_linux | kgraft-patch-4_4_180-94_127-default | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default |
novell | suse_linux | kgraft-patch-4_4_180-94_138-default-debuginfo | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_138-default-debuginfo |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
novell | suse_linux | kgraft-patch-4_4_180-94_124-default | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default |
novell | suse_linux | kgraft-patch-4_4_180-94_135-default | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_135-default |
novell | suse_linux | kgraft-patch-4_4_180-94_121-default-debuginfo | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default-debuginfo |
novell | suse_linux | kgraft-patch-4_4_180-94_116-default | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default |
novell | suse_linux | kgraft-patch-4_4_180-94_124-default-debuginfo | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default-debuginfo |
novell | suse_linux | kgraft-patch-4_4_180-94_127-default-debuginfo | p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default-debuginfo |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26930
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26931
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28688
www.nessus.org/u?6d84b1b5
bugzilla.suse.com/show_bug.cgi?id=1182294
www.suse.com/security/cve/CVE-2021-26930/
www.suse.com/security/cve/CVE-2021-26931/
www.suse.com/security/cve/CVE-2021-28688/
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
7.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.4%