#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
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script_set_attribute(attribute:"plugin_modification_date", value:"2026/05/21");
script_cve_id("CVE-2022-50715");
script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2022-50715");
script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.
- md/raid1: stop mdx_raid1 thread when raid1 array run failed fail run raid1 array when we assemble array
with the inactive disk only, but the mdx_raid1 thread were not stop, Even if the associated resources have
been released. it will caused a NULL dereference when we do poweroff. This causes the following Oops: [
287.587787] BUG: kernel NULL pointer dereference, address: 0000000000000070 [ 287.594762] #PF: supervisor
read access in kernel mode [ 287.599912] #PF: error_code(0x0000) - not-present page [ 287.605061] PGD 0
P4D 0 [ 287.607612] Oops: 0000 [#1] SMP NOPTI [ 287.611287] CPU: 3 PID: 5265 Comm: md0_raid1 Tainted: G U
5.10.146 #0 [ 287.619029] Hardware name: xxxxxxx/To be filled by O.E.M, BIOS 5.19 06/16/2022 [ 287.626775]
RIP: 0010:md_check_recovery+0x57/0x500 [md_mod] [ 287.632357] Code: fe 01 00 00 48 83 bb 10 03 00 00 00 74
08 48 89 ...... [ 287.651118] RSP: 0018:ffffc90000433d78 EFLAGS: 00010202 [ 287.656347] RAX:
0000000000000000 RBX: ffff888105986800 RCX: 0000000000000000 [ 287.663491] RDX: ffffc90000433bb0 RSI:
00000000ffffefff RDI: ffff888105986800 [ 287.670634] RBP: ffffc90000433da0 R08: 0000000000000000 R09:
c0000000ffffefff [ 287.677771] R10: 0000000000000001 R11: ffffc90000433ba8 R12: ffff888105986800 [
287.684907] R13: 0000000000000000 R14: fffffffffffffe00 R15: ffff888100b6b500 [ 287.692052] FS:
0000000000000000(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000 [ 287.700149] CS: 0010 DS: 0000
ES: 0000 CR0: 0000000080050033 [ 287.705897] CR2: 0000000000000070 CR3: 000000000320a000 CR4:
0000000000350ee0 [ 287.713033] Call Trace: [ 287.715498] raid1d+0x6c/0xbbb [raid1] [ 287.719256] ?
__schedule+0x1ff/0x760 [ 287.722930] ? schedule+0x3b/0xb0 [ 287.726260] ? schedule_timeout+0x1ed/0x290 [
287.730456] ? __switch_to+0x11f/0x400 [ 287.734219] md_thread+0xe9/0x140 [md_mod] [ 287.738328] ?
md_thread+0xe9/0x140 [md_mod] [ 287.742601] ? wait_woken+0x80/0x80 [ 287.746097] ?
md_register_thread+0xe0/0xe0 [md_mod] [ 287.751064] kthread+0x11a/0x140 [ 287.754300] ?
kthread_park+0x90/0x90 [ 287.757974] ret_from_fork+0x1f/0x30 In fact, when raid1 array run fail, we need
to do md_unregister_thread() before raid1_free(). (CVE-2022-50715)
Note that Nessus relies on the presence of the package as reported by the vendor.");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-perf");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Misc.");
script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
script_require_ports("Host/OS/CentOS Linux-7", "Host/OS/CentOS Linux-8", "Host/OS/Red Hat Enterprise Linux-7", "Host/OS/Red Hat Enterprise Linux-8", "Host/OS/Red Hat Enterprise Linux-9", "Host/OS/Ubuntu Linux-14.04", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04", "Host/OS/Ubuntu Linux-25.04");
exit(0);
}
if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);
include('linux_unpatched.inc');
var distro_constraints_array = {
"Ubuntu Linux-14.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "14.04",
"pkgs": [
{"reference": "linux-aws"},
{"reference": "linux-cloud-tools-3.13.0"},
{"reference": "linux-cloud-tools-common"},
{"reference": "linux-doc"},
{"reference": "linux-headers-3.13.0"},
{"reference": "linux-image-3.13.0"},
{"reference": "linux-image-extra-3.13.0"},
{"reference": "linux-libc-dev"},
{"reference": "linux-lts-xenial"},
{"reference": "linux-source-3.13.0"},
{"reference": "linux-tools-3.13.0"},
{"reference": "linux-tools-common"},
{"reference": "linux-udebs-generic"},
{"reference": "linux-udebs-generic-lpae"},
{"reference": "linux-udebs-lowlatency"}
]
}
]
},
"Ubuntu Linux-16.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "16.04",
"pkgs": [
{"reference": "linux-aws"},
{"reference": "linux-cloud-tools-4.4.0"},
{"reference": "linux-cloud-tools-common"},
{"reference": "linux-doc"},
{"reference": "linux-headers-4.4.0"},
{"reference": "linux-hwe-edge"},
{"reference": "linux-image-4.4.0"},
{"reference": "linux-image-extra-4.4.0"},
{"reference": "linux-kvm"},
{"reference": "linux-libc-dev"},
{"reference": "linux-source-4.4.0"},
{"reference": "linux-tools-4.4.0"},
{"reference": "linux-tools-common"},
{"reference": "linux-udebs-generic"},
{"reference": "linux-udebs-generic-lpae"},
{"reference": "linux-udebs-lowlatency"}
]
}
]
},
"Ubuntu Linux-18.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "18.04",
"pkgs": [
{"reference": "linux-aws-5.0"},
{"reference": "linux-aws-5.3"},
{"reference": "linux-azure-5.3"},
{"reference": "linux-azure-cloud-tools-4.15.0"},
{"reference": "linux-azure-edge"},
{"reference": "linux-azure-headers-4.15.0"},
{"reference": "linux-azure-tools-4.15.0"},
{"reference": "linux-cloud-tools-4.15.0"},
{"reference": "linux-gcp-5.3"},
{"reference": "linux-gcp-headers-4.15.0"},
{"reference": "linux-gcp-tools-4.15.0"},
{"reference": "linux-gke-4.15"},
{"reference": "linux-gke-5.4"},
{"reference": "linux-gkeop-5.4"},
{"reference": "linux-headers-4.15.0"},
{"reference": "linux-hwe"},
{"reference": "linux-hwe-edge"},
{"reference": "linux-image-4.15.0"},
{"reference": "linux-image-unsigned-4.15.0"},
{"reference": "linux-modules-4.15.0"},
{"reference": "linux-modules-extra-4.15.0"},
{"reference": "linux-oem-headers-4.15.0"},
{"reference": "linux-oem-tools-4.15.0"},
{"reference": "linux-oracle-5.0"},
{"reference": "linux-oracle-5.3"},
{"reference": "linux-tools-4.15.0"},
{"reference": "linux-udebs-azure"},
{"reference": "linux-udebs-oem"}
]
}
]
},
"Ubuntu Linux-20.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "20.04",
"pkgs": [
{"reference": "linux-aws-5.11"},
{"reference": "linux-aws-5.13"},
{"reference": "linux-aws-5.8"},
{"reference": "linux-azure-5.11"},
{"reference": "linux-azure-5.13"},
{"reference": "linux-azure-5.8"},
{"reference": "linux-azure-fde"},
{"reference": "linux-azure-fde-5.15"},
{"reference": "linux-buildinfo-5.4.0"},
{"reference": "linux-buildinfo-5.6.0"},
{"reference": "linux-cloud-tools-5.4.0"},
{"reference": "linux-cloud-tools-5.6.0"},
{"reference": "linux-gcp-5.11"},
{"reference": "linux-gcp-5.13"},
{"reference": "linux-gcp-5.8"},
{"reference": "linux-gke"},
{"reference": "linux-gke-5.15"},
{"reference": "linux-gkeop"},
{"reference": "linux-gkeop-5.15"},
{"reference": "linux-headers-5.4.0"},
{"reference": "linux-headers-5.6.0"},
{"reference": "linux-hwe-5.11"},
{"reference": "linux-hwe-5.13"},
{"reference": "linux-hwe-5.8"},
{"reference": "linux-image-5.4.0"},
{"reference": "linux-image-unsigned-5.6.0"},
{"reference": "linux-intel-5.13"},
{"reference": "linux-libc-dev"},
{"reference": "linux-modules-5.4.0"},
{"reference": "linux-modules-5.6.0"},
{"reference": "linux-modules-extra-5.4.0"},
{"reference": "linux-modules-extra-5.6.0"},
{"reference": "linux-oem-5.10"},
{"reference": "linux-oem-5.13"},
{"reference": "linux-oem-5.14"},
{"reference": "linux-oem-5.6-headers-5.6.0"},
{"reference": "linux-oem-5.6-tools-5.6.0"},
{"reference": "linux-oem-5.6-tools-common"},
{"reference": "linux-oem-5.6-tools-host"},
{"reference": "linux-oracle-5.11"},
{"reference": "linux-oracle-5.13"},
{"reference": "linux-oracle-5.8"},
{"reference": "linux-raspi2"},
{"reference": "linux-riscv-5.11"},
{"reference": "linux-riscv-5.8"},
{"reference": "linux-riscv-headers-5.4.0"},
{"reference": "linux-riscv-tools-5.4.0"},
{"reference": "linux-tools-5.4.0"},
{"reference": "linux-tools-5.6.0"},
{"reference": "linux-udebs-generic"},
{"reference": "linux-udebs-oem"}
]
}
]
},
"Ubuntu Linux-22.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "22.04",
"pkgs": [
{"reference": "linux-allwinner-5.19"},
{"reference": "linux-aws-5.19"},
{"reference": "linux-aws-6.2"},
{"reference": "linux-aws-6.5"},
{"reference": "linux-azure-5.19"},
{"reference": "linux-azure-6.2"},
{"reference": "linux-azure-6.5"},
{"reference": "linux-azure-fde"},
{"reference": "linux-azure-fde-5.19"},
{"reference": "linux-azure-fde-6.2"},
{"reference": "linux-buildinfo-5.15.0"},
{"reference": "linux-buildinfo-5.17.0"},
{"reference": "linux-cloud-tools-5.15.0"},
{"reference": "linux-cloud-tools-5.17.0"},
{"reference": "linux-gcp-5.19"},
{"reference": "linux-gcp-6.2"},
{"reference": "linux-gcp-6.5"},
{"reference": "linux-headers-5.15.0"},
{"reference": "linux-headers-5.17.0"},
{"reference": "linux-hwe-5.19"},
{"reference": "linux-hwe-6.2"},
{"reference": "linux-hwe-6.5"},
{"reference": "linux-image-5.15.0"},
{"reference": "linux-image-unsigned-5.17.0"},
{"reference": "linux-intel-iot-realtime"},
{"reference": "linux-lowlatency-hwe-5.19"},
{"reference": "linux-lowlatency-hwe-6.2"},
{"reference": "linux-lowlatency-hwe-6.5"},
{"reference": "linux-modules-5.15.0"},
{"reference": "linux-modules-5.17.0"},
{"reference": "linux-modules-extra-5.15.0"},
{"reference": "linux-modules-extra-5.17.0"},
{"reference": "linux-nvidia-6.2"},
{"reference": "linux-nvidia-6.5"},
{"reference": "linux-oem-5.17-headers-5.17.0"},
{"reference": "linux-oem-5.17-tools-5.17.0"},
{"reference": "linux-oem-5.17-tools-host"},
{"reference": "linux-oem-6.0"},
{"reference": "linux-oem-6.1"},
{"reference": "linux-oem-6.5"},
{"reference": "linux-oracle-6.5"},
{"reference": "linux-realtime"},
{"reference": "linux-riscv-5.19"},
{"reference": "linux-riscv-6.5"},
{"reference": "linux-riscv-headers-5.15.0"},
{"reference": "linux-riscv-tools-5.15.0"},
{"reference": "linux-starfive-5.19"},
{"reference": "linux-starfive-6.2"},
{"reference": "linux-starfive-6.5"},
{"reference": "linux-tools-5.15.0"},
{"reference": "linux-tools-5.17.0"}
]
}
]
},
"Ubuntu Linux-24.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "24.04",
"pkgs": [
{"reference": "linux-azure-6.11"},
{"reference": "linux-buildinfo-6.8.0"},
{"reference": "linux-cloud-tools-6.8.0"},
{"reference": "linux-gcp-6.11"},
{"reference": "linux-headers-6.8.0"},
{"reference": "linux-hwe-6.11"},
{"reference": "linux-image-6.8.0"},
{"reference": "linux-image-unsigned-6.8.0"},
{"reference": "linux-lowlatency-hwe-6.11"},
{"reference": "linux-modules-6.8.0"},
{"reference": "linux-modules-extra-6.8.0"},
{"reference": "linux-modules-ipu6-6.8.0"},
{"reference": "linux-modules-iwlwifi-6.8.0"},
{"reference": "linux-nvidia-6.11"},
{"reference": "linux-oem-6.11"},
{"reference": "linux-oem-6.8-headers-6.8.0"},
{"reference": "linux-oem-6.8-lib-rust-6.8.0"},
{"reference": "linux-oem-6.8-tools-6.8.0"},
{"reference": "linux-raspi-realtime"},
{"reference": "linux-realtime"},
{"reference": "linux-riscv-6.14"},
{"reference": "linux-riscv-headers-6.8.0"},
{"reference": "linux-riscv-tools-6.8.0"},
{"reference": "linux-tools-6.8.0"}
]
}
]
},
"Ubuntu Linux-25.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "25.04",
"pkgs": [
{"reference": "bpftool"},
{"reference": "linux-aws-cloud-tools-6.14.0"},
{"reference": "linux-aws-headers-6.14.0"},
{"reference": "linux-aws-tools-6.14.0"},
{"reference": "linux-azure-cloud-tools-6.14.0"},
{"reference": "linux-azure-fde"},
{"reference": "linux-azure-headers-6.14.0"},
{"reference": "linux-azure-tools-6.14.0"},
{"reference": "linux-bpf-dev"},
{"reference": "linux-buildinfo-6.14.0"},
{"reference": "linux-cloud-tools-6.14.0"},
{"reference": "linux-cloud-tools-common"},
{"reference": "linux-doc"},
{"reference": "linux-gcp-headers-6.14.0"},
{"reference": "linux-gcp-tools-6.14.0"},
{"reference": "linux-headers-6.14.0"},
{"reference": "linux-image-6.14.0"},
{"reference": "linux-image-unsigned-6.14.0"},
{"reference": "linux-lib-rust-6.14.0"},
{"reference": "linux-libc-dev"},
{"reference": "linux-modules-6.14.0"},
{"reference": "linux-modules-extra-6.14.0"},
{"reference": "linux-modules-ipu6-6.14.0"},
{"reference": "linux-modules-ipu7-6.14.0"},
{"reference": "linux-modules-iwlwifi-6.14.0"},
{"reference": "linux-modules-usbio-6.14.0"},
{"reference": "linux-modules-vision-6.14.0"},
{"reference": "linux-oracle-headers-6.14.0"},
{"reference": "linux-oracle-tools-6.14.0"},
{"reference": "linux-perf"},
{"reference": "linux-raspi-headers-6.14.0"},
{"reference": "linux-raspi-tools-6.14.0"},
{"reference": "linux-realtime"},
{"reference": "linux-riscv-headers-6.14.0"},
{"reference": "linux-riscv-tools-6.14.0"},
{"reference": "linux-source-6.14.0"},
{"reference": "linux-tools-6.14.0"},
{"reference": "linux-tools-common"},
{"reference": "linux-tools-host"},
{"reference": "linux-udebs-aws"},
{"reference": "linux-udebs-azure"},
{"reference": "linux-xilinx"}
]
}
]
},
"CentOS Linux-7": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "7",
"pkgs": [
{"reference": "bpftool"},
{"reference": "kernel"},
{"reference": "kernel-abi-whitelists"},
{"reference": "kernel-bootwrapper"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-devel"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-kdump"},
{"reference": "kernel-kdump-devel"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-doc"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-trace"},
{"reference": "kernel-rt-trace-devel"},
{"reference": "kernel-rt-trace-kvm"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "perf"},
{"reference": "python-perf"}
]
}
]
},
"Red Hat Enterprise Linux-7": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "7",
"pkgs": [
{"reference": "bpftool"},
{"reference": "kernel"},
{"reference": "kernel-abi-whitelists"},
{"reference": "kernel-bootwrapper"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-devel"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-kdump"},
{"reference": "kernel-kdump-devel"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-doc"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-trace"},
{"reference": "kernel-rt-trace-devel"},
{"reference": "kernel-rt-trace-kvm"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "perf"},
{"reference": "python-perf"}
]
}
]
},
"CentOS Linux-8": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "8",
"pkgs": [
{"reference": "kernel-rt"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-selftests-internal"}
]
}
]
},
"Red Hat Enterprise Linux-8": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "8",
"pkgs": [
{"reference": "kernel-rt"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-selftests-internal"}
]
}
]
},
"Red Hat Enterprise Linux-9": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "9",
"pkgs": [
{"reference": "kernel-rt"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-devel-matched"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-core"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-debug-modules-partner"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-devel-matched"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-core"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-modules-partner"},
{"reference": "kernel-rt-selftests-internal"}
]
}
]
}
};
var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);
if (!empty_or_null(report))
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : report
);
exit(0);
}
else
{
audit(AUDIT_HOST_NOT, 'affected');
}
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