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
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
40.6%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.844312");
script_cve_id("CVE-2019-14615", "CVE-2020-7053");
script_tag(name:"creation_date", value:"2020-01-29 04:00:16 +0000 (Wed, 29 Jan 2020)");
script_version("2024-02-02T05:06:07+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +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:"2020-01-23 03:07:38 +0000 (Thu, 23 Jan 2020)");
script_name("Ubuntu: Security Advisory (USN-4255-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 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=UBUNTU18\.04\ LTS");
script_xref(name:"Advisory-ID", value:"USN-4255-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4255-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'linux, linux-aws, linux-oem' package(s) announced via the USN-4255-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"It was discovered that the Linux kernel did not properly clear data
structures on context switches for certain Intel graphics processors. A
local attacker could use this to expose sensitive information.
(CVE-2019-14615)
It was discovered that a race condition can lead to a use-after-free while
destroying GEM contexts in the i915 driver for the Linux kernel. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2020-7053)");
script_tag(name:"affected", value:"'linux, linux-aws, linux-oem' package(s) on Ubuntu 18.04.");
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-4.15.0-1058-aws", ver:"4.15.0-1058.60", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-1067-oem", ver:"4.15.0-1067.77", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-76-generic", ver:"4.15.0-76.86", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-76-generic-lpae", ver:"4.15.0-76.86", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.15.0-76-lowlatency", ver:"4.15.0-76.86", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-aws", ver:"4.15.0.1058.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-aws-lts-18.04", ver:"4.15.0.1058.59", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-generic-lpae", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-lowlatency", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-oem", ver:"4.15.0.1067.71", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-emb", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-powerpc64-smp", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"linux-image-virtual", ver:"4.15.0.76.78", rls:"UBUNTU18.04 LTS"))) {
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
7.2 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
40.6%