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
7.6 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access 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
0.001 Low
EPSS
Percentile
31.1%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2021 Greenbone AG
# 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-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.1.4.2021.2026.1");
script_cve_id("CVE-2020-0429", "CVE-2021-28688", "CVE-2021-33034");
script_tag(name:"creation_date", value:"2021-06-20 02:16:05 +0000 (Sun, 20 Jun 2021)");
script_version("2024-02-02T14:37:50+0000");
script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"4.6");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-07 15:55:07 +0000 (Mon, 07 Jun 2021)");
script_name("SUSE: Security Advisory (SUSE-SU-2021:2026-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP3)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:2026-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20212026-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'Linux Kernel (Live Patch 39 for SLE 12 SP3)' package(s) announced via the SUSE-SU-2021:2026-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"This update for the Linux Kernel 4.4.180-94_144 fixes several issues.
The following issues were fixed:
CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This
could lead to writing an arbitrary values (bsc#1186111).
CVE-2021-28688: Fixed an issue introduced by XSA-365, leaving around
zombie domains after xen guest has died (bsc#1183646).
CVE-2020-0429: In l2tp_session_delete and related functions of
l2tp_core.c, there is possible memory corruption due to a use after
free. This could lead to local escalation of privilege with system
execution privileges needed. (bsc#1176724).
Fixed a regression with the last livepatch which caused a kernel warning
during sysfs read (bsc#1186235).");
script_tag(name:"affected", value:"'Linux Kernel (Live Patch 39 for SLE 12 SP3)' package(s) on SUSE Linux Enterprise Server 12-SP3, SUSE Linux Enterprise Server for SAP 12-SP3.");
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 == "SLES12.0SP3") {
if(!isnull(res = isrpmvuln(pkg:"kgraft-patch-4_4_180-94_144-default", rpm:"kgraft-patch-4_4_180-94_144-default~2~2.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kgraft-patch-4_4_180-94_144-default-debuginfo", rpm:"kgraft-patch-4_4_180-94_144-default-debuginfo~2~2.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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
7.6 High
AI Score
Confidence
High
4.6 Medium
CVSS2
Access Vector
LOCAL
Access 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
0.001 Low
EPSS
Percentile
31.1%