7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.009 Low
EPSS
Percentile
82.5%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.4.2022.2840.1");
script_cve_id("CVE-2020-15393", "CVE-2020-36557", "CVE-2020-36558", "CVE-2021-33655", "CVE-2021-33656", "CVE-2021-39713", "CVE-2022-1462", "CVE-2022-20166", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-36946");
script_tag(name:"creation_date", value:"2022-08-19 04:39:30 +0000 (Fri, 19 Aug 2022)");
script_version("2024-02-02T14:37:51+0000");
script_tag(name:"last_modification", value:"2024-02-02 14:37:51 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"6.9");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-10-18 20:22:04 +0000 (Tue, 18 Oct 2022)");
script_name("SUSE: Security Advisory (SUSE-SU-2022:2840-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 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-2022:2840-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2022/suse-su-20222840-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'Linux Kernel' package(s) announced via the SUSE-SU-2022:2840-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The SUSE Linux Enterprise 12 SP3 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
CVE-2020-15393: CVE-2020-15393: Fixed a memory leak in
usbtest_disconnect (bnc#1173514).
CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl
and closing/opening of ttys that could lead to a use-after-free
(bnc#1201429).
CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could
lead to a NULL pointer dereference and general protection fault
(bnc#1200910).
CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO
(bnc#1201635).
CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT
(bnc#1201636).
CVE-2021-39713: Fixed a race condition in the network scheduling
subsystem which could lead to a use-after-free. (bnc#1196973)
CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe
subsystem (bnc#1198829).
CVE-2022-20166: Fixed possible out of bounds write due to sprintf
unsafety that could cause local escalation of privilege (bnc#1200598).
CVE-2022-2318: Fixed a use-after-free vulnerability in the timer
handler in net/rose/rose_timer.c that allow attackers to crash the
system without any privileges (bsc#1201251).
CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed
multiple potential data leaks with Block and Network devices when using
untrusted backends (bsc#1200762).
CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that
could lead to remote DoS (bnc#1201940).
The following non-security bugs were fixed:
kvm: emulate: do not adjust size of fastop and setcc subroutines
(bsc#1201930).
kvm: emulate: Fix SETcc emulation function offsets with SLS
(bsc#1201930).");
script_tag(name:"affected", value:"'Linux Kernel' package(s) on SUSE Linux Enterprise Server 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:"kernel-default", rpm:"kernel-default~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-default-base", rpm:"kernel-default-base~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-default-base-debuginfo", rpm:"kernel-default-base-debuginfo~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-default-debuginfo", rpm:"kernel-default-debuginfo~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-default-debugsource", rpm:"kernel-default-debugsource~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-default-devel", rpm:"kernel-default-devel~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-devel", rpm:"kernel-devel~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-macros", rpm:"kernel-macros~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-source", rpm:"kernel-source~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"kernel-syms", rpm:"kernel-syms~4.4.180~94.171.1", rls:"SLES12.0SP3"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.009 Low
EPSS
Percentile
82.5%