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
6.6 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
11.8%
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("1.3.6.1.4.1.25623.1.0.844794");
script_cve_id("CVE-2021-1052", "CVE-2021-1053");
script_tag(name:"creation_date", value:"2021-01-21 04:00:22 +0000 (Thu, 21 Jan 2021)");
script_version("2024-02-28T14:37:42+0000");
script_tag(name:"last_modification", value:"2024-02-28 14:37:42 +0000 (Wed, 28 Feb 2024)");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
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:"2021-01-14 15:32:00 +0000 (Thu, 14 Jan 2021)");
script_name("Ubuntu: Security Advisory (USN-4689-4)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("Ubuntu Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(18\.04\ LTS|20\.04\ LTS|20\.10)");
script_xref(name:"Advisory-ID", value:"USN-4689-4");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4689-4");
script_tag(name:"summary", value:"The remote host is missing an update for the 'linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.4, linux-hwe-5.8, linux-oracle' package(s) announced via the USN-4689-4 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"USN-4689-3 fixed vulnerabilities in the NVIDIA server graphics drivers.
This update provides the corresponding updates for the NVIDIA Linux
DKMS kernel modules.
Original advisory details:
It was discovered that the NVIDIA GPU display driver for the Linux kernel
contained a vulnerability that allowed user-mode clients to access legacy
privileged APIs. A local attacker could use this to cause a denial of
service or escalate privileges. (CVE-2021-1052)
It was discovered that the NVIDIA GPU display driver for the Linux kernel
did not properly validate a pointer received from userspace in some
situations. A local attacker could use this to cause a denial of service.
(CVE-2021-1053)
Xinyuan Lyu discovered that the NVIDIA GPU display driver for the Linux
kernel did not properly restrict device-level GPU isolation. A local
attacker could use this to cause a denial of service or possibly expose
sensitive information. (CVE-2021-1056)");
script_tag(name:"affected", value:"'linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.4, linux-hwe-5.8, linux-oracle' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10.");
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-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "UBUNTU18.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-134-generic", ver:"4.15.0-134.138", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-134-lowlatency", ver:"4.15.0-134.138", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.4.0-64-generic", ver:"5.4.0-64.72~18.04.1", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.4.0-64-lowlatency", ver:"5.4.0-64.72~18.04.1", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic", ver:"4.15.0.134.121", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-hwe-18.04", ver:"5.4.0.64.72~18.04.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency", ver:"4.15.0.134.121", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency-hwe-18.04", ver:"5.4.0.64.72~18.04.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem", ver:"5.4.0.64.72~18.04.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem-osp1", ver:"5.4.0.64.72~18.04.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual", ver:"4.15.0.134.121", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual-hwe-18.04", ver:"5.4.0.64.72~18.04.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU20.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.4.0-64-generic", ver:"5.4.0-64.72", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.4.0-64-lowlatency", ver:"5.4.0-64.72", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-40-generic", ver:"5.8.0-40.45~20.04.1", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-40-lowlatency", ver:"5.8.0-40.45~20.04.1", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic", ver:"5.4.0.64.67", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-hwe-20.04", ver:"5.8.0.40.45~20.04.25", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-lpae-hwe-20.04", ver:"5.8.0.40.45~20.04.25", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency", ver:"5.4.0.64.67", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency-hwe-20.04", ver:"5.8.0.40.45~20.04.25", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem", ver:"5.4.0.64.67", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem-osp1", ver:"5.4.0.64.67", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual", ver:"5.4.0.64.67", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual-hwe-20.04", ver:"5.8.0.40.45~20.04.25", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU20.10") {
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-1017-oracle", ver:"5.8.0-1017.18", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-1019-azure", ver:"5.8.0-1019.21", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-1019-gcp", ver:"5.8.0-1019.20", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-1020-aws", ver:"5.8.0-1020.22", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-40-generic", ver:"5.8.0-40.45", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-5.8.0-40-lowlatency", ver:"5.8.0-40.45", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-aws", ver:"5.8.0.1020.22", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-azure", ver:"5.8.0.1019.19", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-gcp", ver:"5.8.0.1019.19", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic", ver:"5.8.0.40.44", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-gke", ver:"5.8.0.1019.19", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency", ver:"5.8.0.40.44", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem-20.04", ver:"5.8.0.40.44", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oracle", ver:"5.8.0.1017.17", rls:"UBUNTU20.10"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual", ver:"5.8.0.40.44", rls:"UBUNTU20.10"))) {
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
6.6 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
11.8%