7.2 High
CVSS2
Attack Vector
LOCAL
Attack 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
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
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
48.5%
The version of kernel installed on the remote host is prior to 5.10.59-52.142. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-004 advisory.
2024-06-19: CVE-2021-47322 was added to this advisory.
2024-06-19: CVE-2021-47325 was added to this advisory.
2023-11-29: CVE-2023-4732 was added to this advisory.
A flaw was found in the Linux kernel, where a BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack. This issue occurs when the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack. The highest threat from this vulnerability is to confidentiality. (CVE-2021-34556)
A flaw in the Linux kernel allows a privileged BPF program to obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel in the eBPF subsystem (CVE-2021-35477)
A vulnerability was found in the Linux kernel. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory. (CVE-2021-3655)
A lack of CPU resources in the Linux kernel tracing module functionality was found in the way users use the trace ring buffer in specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service. (CVE-2021-3679)
A flaw use-after-free in the Linux kernel USB High Speed Mobile Devices functionality was found in the way user detaches USB device. A local user could use this flaw to crash the system or escalate their privileges on the system. (CVE-2021-37159)
**DISPUTED** In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE:
the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior.
(CVE-2021-38160)
A flaw was found in the hanging of mounts in the Linux kernel's NFS4 subsystem where remote servers are unreachable for the client during migration of data from one server to another (during trunking detection). This flaw allows a remote NFS4 server (if the client is connected) to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
(CVE-2021-38199)
In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT (CVE-2021-47322)
In the Linux kernel, the following vulnerability has been resolved:
iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation (CVE-2021-47325)
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow. (CVE-2023-28772)
A flaw was found in the Linux Kernel's memory management subsytem. In this flaw, A task is exiting and releasing 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page() referencing pmd_t x. This may allow a local user to crash the Linux kernel. (CVE-2023-4732)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2 Security Advisory ALASKERNEL-5.10-2022-004.
##
include('compat.inc');
if (description)
{
script_id(160434);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/25");
script_cve_id(
"CVE-2021-3655",
"CVE-2021-3679",
"CVE-2021-34556",
"CVE-2021-35477",
"CVE-2021-37159",
"CVE-2021-38160",
"CVE-2021-38199",
"CVE-2021-47322",
"CVE-2021-47325",
"CVE-2023-28772",
"CVE-2023-4732"
);
script_name(english:"Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-004)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The version of kernel installed on the remote host is prior to 5.10.59-52.142. It is, therefore, affected by multiple
vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-004 advisory.
2024-06-19: CVE-2021-47322 was added to this advisory.
2024-06-19: CVE-2021-47325 was added to this advisory.
2023-11-29: CVE-2023-4732 was added to this advisory.
A flaw was found in the Linux kernel, where a BPF program can obtain sensitive information from kernel
memory via a Speculative Store Bypass side-channel attack. This issue occurs when the protection mechanism
neglects the possibility of uninitialized memory locations on the BPF stack. The highest threat from this
vulnerability is to confidentiality. (CVE-2021-34556)
A flaw in the Linux kernel allows a privileged BPF program to obtain sensitive information from kernel
memory via a Speculative Store Bypass side-channel in the eBPF subsystem (CVE-2021-35477)
A vulnerability was found in the Linux kernel. Missing size validations on inbound SCTP packets may allow
the kernel to read uninitialized memory. (CVE-2021-3655)
A lack of CPU resources in the Linux kernel tracing module functionality was found in the way users use
the trace ring buffer in specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could
use this flaw to starve the resources causing denial of service. (CVE-2021-3679)
A flaw use-after-free in the Linux kernel USB High Speed Mobile Devices functionality was found in the way
user detaches USB device. A local user could use this flaw to crash the system or escalate their
privileges on the system. (CVE-2021-37159)
** DISPUTED ** In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss
can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE:
the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the
length validation was added solely for robustness in the face of anomalous host OS behavior.
(CVE-2021-38160)
A flaw was found in the hanging of mounts in the Linux kernel's NFS4 subsystem where remote servers are
unreachable for the client during migration of data from one server to another (during trunking
detection). This flaw allows a remote NFS4 server (if the client is connected) to starve the resources,
causing a denial of service. The highest threat from this vulnerability is to system availability.
(CVE-2021-38199)
In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT (CVE-2021-47322)
In the Linux kernel, the following vulnerability has been resolved:
iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation (CVE-2021-47325)
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer
overflow. (CVE-2023-28772)
A flaw was found in the Linux Kernel's memory management subsytem. In this flaw, A task is exiting and
releasing 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page()
referencing pmd_t x. This may allow a local user to crash the Linux kernel. (CVE-2023-4732)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-004.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-3655.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-3679.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-34556.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-35477.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-37159.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-38160.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-38199.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-47322.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-47325.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-28772.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-4732.html");
script_set_attribute(attribute:"solution", value:
"Run 'yum update kernel' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-38160");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/07/21");
script_set_attribute(attribute:"patch_publication_date", value:"2022/01/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/05/02");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:bpftool");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:bpftool-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-livepatch-5.10.59-52.142");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:kernel-tools-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:perf-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python-perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python-perf-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("kpatch.nasl", "ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("rpm.inc");
include("hotfixes.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var alas_release = get_kb_item("Host/AmazonLinux/release");
if (isnull(alas_release) || !strlen(alas_release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:alas_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "2")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
if (get_one_kb_item("Host/kpatch/kernel-cves"))
{
set_hotfix_type("kpatch");
var cve_list = make_list("CVE-2021-3655", "CVE-2021-3679", "CVE-2021-34556", "CVE-2021-35477", "CVE-2021-37159", "CVE-2021-38160", "CVE-2021-38199", "CVE-2021-47322", "CVE-2021-47325", "CVE-2023-4732", "CVE-2023-28772");
if (hotfix_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, "kpatch hotfix for ALASKERNEL-5.10-2022-004");
}
else
{
__rpm_report = hotfix_reporting_text();
}
}
var pkgs = [
{'reference':'bpftool-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'bpftool-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'bpftool-debuginfo-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'bpftool-debuginfo-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-debuginfo-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-debuginfo-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-debuginfo-common-aarch64-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-debuginfo-common-x86_64-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-devel-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-devel-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-headers-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-headers-5.10.59-52.142.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-headers-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-livepatch-5.10.59-52.142-1.0-0.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-debuginfo-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-debuginfo-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-devel-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'kernel-tools-devel-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'perf-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'perf-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'perf-debuginfo-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'perf-debuginfo-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'python-perf-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'python-perf-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'python-perf-debuginfo-5.10.59-52.142.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'},
{'reference':'python-perf-debuginfo-5.10.59-52.142.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-5.10'}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "bpftool / bpftool-debuginfo / kernel / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | perf | p-cpe:/a:amazon:linux:perf |
amazon | linux | bpftool | p-cpe:/a:amazon:linux:bpftool |
amazon | linux | perf-debuginfo | p-cpe:/a:amazon:linux:perf-debuginfo |
amazon | linux | kernel-tools-debuginfo | p-cpe:/a:amazon:linux:kernel-tools-debuginfo |
amazon | linux | kernel-debuginfo-common-aarch64 | p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64 |
amazon | linux | kernel-tools | p-cpe:/a:amazon:linux:kernel-tools |
amazon | linux | kernel-livepatch-5.10.59-52.142 | p-cpe:/a:amazon:linux:kernel-livepatch-5.10.59-52.142 |
amazon | linux | kernel-devel | p-cpe:/a:amazon:linux:kernel-devel |
amazon | linux | python-perf-debuginfo | p-cpe:/a:amazon:linux:python-perf-debuginfo |
amazon | linux | kernel | p-cpe:/a:amazon:linux:kernel |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34556
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35477
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3655
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3679
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37159
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38160
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38199
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47322
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47325
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28772
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4732
alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-004.html
alas.aws.amazon.com/cve/html/CVE-2021-34556.html
alas.aws.amazon.com/cve/html/CVE-2021-35477.html
alas.aws.amazon.com/cve/html/CVE-2021-3655.html
alas.aws.amazon.com/cve/html/CVE-2021-3679.html
alas.aws.amazon.com/cve/html/CVE-2021-37159.html
alas.aws.amazon.com/cve/html/CVE-2021-38160.html
alas.aws.amazon.com/cve/html/CVE-2021-38199.html
alas.aws.amazon.com/cve/html/CVE-2021-47322.html
alas.aws.amazon.com/cve/html/CVE-2021-47325.html
alas.aws.amazon.com/cve/html/CVE-2023-28772.html
alas.aws.amazon.com/cve/html/CVE-2023-4732.html
alas.aws.amazon.com/faqs.html
7.2 High
CVSS2
Attack Vector
LOCAL
Attack 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
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
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
48.5%