The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-4df366ee80 advisory. An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system. (CVE-2023-6560
Reporter | Title | Published | Views | Family All 28 |
---|---|---|---|---|
![]() | CVE-2023-6560 Kernel: io_uring out of boundary memory access in __io_uaddr_map() | 8 Dec 202323:56 | – | cvelist |
![]() | CVE-2023-6560 | 9 Dec 202300:15 | – | debiancve |
![]() | [SECURITY] Fedora 39 Update: kernel-6.6.6-200.fc39 | 14 Dec 202301:33 | – | fedora |
![]() | [SECURITY] Fedora 38 Update: kernel-6.6.6-100.fc38 | 14 Dec 202301:52 | – | fedora |
![]() | CVE-2023-6560 | 9 Dec 202300:15 | – | nvd |
![]() | Fedora: Security Advisory for kernel (FEDORA-2023-a8afe852a3) | 14 Dec 202300:00 | – | openvas |
![]() | Fedora: Security Advisory (FEDORA-2023-4df366ee80) | 14 Dec 202300:00 | – | openvas |
![]() | Ubuntu: Security Advisory (USN-6680-1) | 7 Mar 202400:00 | – | openvas |
![]() | Ubuntu: Security Advisory (USN-6680-2) | 11 Mar 202400:00 | – | openvas |
![]() | Ubuntu: Security Advisory (USN-6680-3) | 21 Mar 202400:00 | – | openvas |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2023-4df366ee80
#
include('compat.inc');
if (description)
{
script_id(186897);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/14");
script_cve_id("CVE-2023-6560");
script_xref(name:"FEDORA", value:"2023-4df366ee80");
script_name(english:"Fedora 39 : kernel (2023-4df366ee80)");
script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the
FEDORA-2023-4df366ee80 advisory.
The 6.6.6 stable kernel update reverts the problematic cfg80211 patch that was brought into the 6.6.5
kernel
----
The 6.6.5 stable kernel update contains a number of important fixes across the tree.
Tenable has extracted the preceding description block directly from the Fedora security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2023-4df366ee80");
script_set_attribute(attribute:"solution", value:
"Update the affected kernel package.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:N/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:N/I:N/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-2023-6560");
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:"2023/12/09");
script_set_attribute(attribute:"patch_publication_date", value:"2023/12/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:39");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:kernel");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Fedora Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include('rpm.inc');
include('ksplice.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Fedora' >!< os_release) audit(AUDIT_OS_NOT, 'Fedora');
var os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
os_ver = os_ver[1];
if (! preg(pattern:"^39([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Fedora 39', 'Fedora ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Fedora', cpu);
if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
rm_kb_item(name:'Host/uptrack-uname-r');
var cve_list = make_list('CVE-2023-6560');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for FEDORA-2023-4df366ee80');
}
else
{
__rpm_report = ksplice_reporting_text();
}
}
var pkgs = [
{'reference':'kernel-6.6.6-200.fc39', 'release':'FC39', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach 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;
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 (reference && _release) {
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_WARNING,
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, 'kernel');
}
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