According to the versions of the systemd packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - It was discovered that pam_systemd does not properly     sanitize the environment before using the XDG_SEAT     variable. It is possible for an attacker, in some     particular configurations, to set a XDG_SEAT     environment variable which allows for commands to be     checked against polkit policies using the     'allow_active' element rather than     'allow_any'.(CVE-2019-3842)

  - It has been discovered that systemd-tmpfiles mishandles     symbolic links present in non-terminal path components.
    In some configurations a local user could use this     vulnerability to get access to arbitrary files when the     systemd-tmpfiles command is run.(CVE-2018-6954)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the systemd package has been released.

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2177:05 advisory.

    * systemd: Spoofing of XDG_SEAT allows for actions to be checked against allow_active instead of     allow_any (CVE-2019-3842)
      * systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal     digits (CVE-2020-13776)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.02, has systemd packages installed that are affected by multiple vulnerabilities:

  - An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the     udevadm trigger command, a memory leak may occur. (CVE-2019-20386)

  - In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to     set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using     the allow_active element rather than allow_any. (CVE-2019-3842)

  - systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed     by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were     intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082. (CVE-2020-13776)

  - basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an     Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that     results in an operating system crash. (CVE-2021-33910)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Backport more patches :

  - shared/install: Preserve escape characters for escaped     unit names (https://github.com/coreos/bugs/issues/2569)

  - timedate: fix emitted value when ntp client is     enabled/disabled (#1696586)

  - udev: run programs in the specified order (#1696784)

  - core: add Manager::honor_device_enumeration flag     (https://pagure.io/fedora-silverblue/issue/8)

  - Various fixes for systemd-networkd, systemd-portabled

  - Dbus policy fixes

  - Crash on systax error in sysusers (#1670679)

  - Do not unescape mount paths received from libmount

  - Some minor build fixes

No need to log out or reboot.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for systemd fixes the following issues :

Security issues fixed :

CVE-2019-3842: Fixed a privilege escalation in pam_systemd which could be exploited by a local user (bsc#1132348).

CVE-2019-6454: Fixed a denial of service via crafted D-Bus message (bsc#1125352).

CVE-2019-3843, CVE-2019-3844: Fixed a privilege escalation where services with DynamicUser could gain new privileges or create SUID/SGID binaries (bsc#1133506, bsc#1133509).

Non-security issued fixed: logind: fix killing of scopes (bsc#1125604)

namespace: make MountFlags=shared work again (bsc#1124122)

rules: load drivers only on 'add' events (bsc#1126056)

sysctl: Don't pass null directive argument to '%s' (bsc#1121563)

systemd-coredump: generate a stack trace of all core dumps and log into the journal (jsc#SLE-5933)

udevd: notify when max number value of children is reached only once per batch of events (bsc#1132400)

sd-bus: bump message queue size again (bsc#1132721)

Do not automatically online memory on s390x (bsc#1127557)

Removed sg.conf (bsc#1036463)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for systemd fixes the following issues :

Security issues fixed :

CVE-2018-6954: Fixed a vulnerability in the symlink handling of systemd-tmpfiles which allowed a local user to obtain ownership of arbitrary files (bsc#1080919).

CVE-2019-3842: Fixed a vulnerability in pam_systemd which allowed a local user to escalate privileges (bsc#1132348).

CVE-2019-6454: Fixed a denial of service caused by long dbus messages (bsc#1125352).

Non-security issues fixed: systemd-coredump: generate a stack trace of all core dumps (jsc#SLE-5933)

udevd: notify when max number value of children is reached only once per batch of events (bsc#1132400)

sd-bus: bump message queue size again (bsc#1132721)

core: only watch processes when it's really necessary (bsc#955942 bsc#1128657)

rules: load drivers only on 'add' events (bsc#1126056)

sysctl: Don't pass null directive argument to '%s' (bsc#1121563)

Do not automatically online memory on s390x (bsc#1127557)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1611 advisory.

    The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and     LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for     starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups.
    In addition, it supports snapshotting and restoring of the system state, maintains mount and automount     points, and implements an elaborate transactional dependency-based service control logic. It can also work     as a drop-in replacement for sysvinit.

    Security Fix(es):

    * systemd: Spoofing of XDG_SEAT allows for actions to be checked against allow_active instead of     allow_any (CVE-2019-3842)

    * systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal     digits (CVE-2020-13776)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1611 advisory.

  - systemd: Spoofing of XDG_SEAT allows for actions to be checked against allow_active instead of     allow_any (CVE-2019-3842)

  - systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits     (CVE-2020-13776)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:1611 advisory.

  - In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to     set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using     the allow_active element rather than allow_any. (CVE-2019-3842)

  - systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed     by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were     intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082. (CVE-2020-13776)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of systemd installed on the remote host is prior to 219-78. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1854 advisory.

    It was discovered that pam_systemd does not properly sanitize the environment before using the XDG_SEAT     variable. It is possible for an attacker, in some particular configurations, to set a XDG_SEAT environment     variable which allows for commands to be checked against polkit policies using the allow_active element     rather than allow_any. (CVE-2019-3842)

    An exploitable denial of service vulnerability exists in systemd which does not fully implement RFC3203,     as it does not support authentication of FORCERENEW packets. A specially crafted DHCP FORCERENEW packet     can cause a system, running the DHCP client, to be vulnerable to a DHCP ACK spoofing attack. An attacker     can forge a pair of FORCERENEW and DCHPACK packets to reconfigure the system with arbitrary network     settings. (CVE-2020-13529)

    A flaw was found in systemd, where it mishandles numerical usernames beginning with decimal digits, or     0x followed by hexadecimal digits. When the usernames are used by systemd, for example in service units,     an unexpected user may be used instead. In some particular configurations, this flaw allows local     attackers to elevate their privileges. (CVE-2020-13776)

    A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function     and dns_stream_complete() function in resolved-dns-stream.c not incrementing the reference counting for     theDnsStream object. Therefore, other functions and callbacks called can dereference the DNSStream object,     causing the use-after-free when the reference is still used later. (CVE-2022-2526)

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.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0039 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2019-3842:
    In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to     set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using     the allow_active element rather than allow_any.

    CVE-2020-13776:
    systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed     by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were     intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

    CVE-2020-1712:
    A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous     Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this     flaw to crash systemd services or potentially execute code and elevate their privileges, by sending     specially crafted dbus messages.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the systemd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - It was discovered that a systemd service that uses     DynamicUser property can get new privileges through the     execution of SUID binaries, which would allow a     cooperating process to create binaries owned by the     service transient group with the setgid bit set. A     local attacker may use this flaw to access resources     that will be owned by a potentially different service     in the future when the GID will be     recycled.(CVE-2019-3844)

  - It was discovered that a systemd service that uses     DynamicUser property can create a SUID/SGID binary that     would be allowed to run as the transient service     UID/GID even after the service is terminated. A local     attacker may use this flaw to access resources that     will be owned by a potentially different service in the     future when the UID/GID will be     recycled.(CVE-2019-3843)

  - In systemd before v242-rc4, it was discovered that     pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for     an attacker, in some particular configurations, to set     a XDG_SEAT environment variable which allows for     commands to be checked against polkit policies using     the 'allow_active' element rather than     'allow_any'.(CVE-2019-3842)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the systemd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - It has been discovered that systemd-tmpfiles mishandles     symbolic links present in non-terminal path components.
    In some configurations a local user could use this     vulnerability to get access to arbitrary files when the     systemd-tmpfiles command is run.(CVE-2018-6954)

  - In systemd before v242-rc4, it was discovered that     pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for     an attacker, in some particular configurations, to set     a XDG_SEAT environment variable which allows for     commands to be checked against polkit policies using     the 'allow_active' element rather than     'allow_any'.(CVE-2019-3842)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment     before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to     set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using     the allow_active element rather than allow_any. (CVE-2019-3842)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
128926	EulerOS Virtualization for ARM 64 3.0.2.0 : systemd (EulerOS-SA-2019-1923)	Nessus	Huawei Local Security Checks	2019/9/17	2024/4/25	high
202883	Photon OS 3.0: Systemd PHSA-2019-3.0-0012	Nessus	PhotonOS Local Security Checks	2024/7/22	2024/7/24	high
294423	MiracleLinux 8 : systemd-239-45.el8 (AXSA:2021-2177:05)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
124867	Photon OS 1.0: Systemd PHSA-2019-1.0-0228	Nessus	PhotonOS Local Security Checks	2019/5/14	2022/5/20	high
160827	NewStart CGSL MAIN 6.02 : systemd Multiple Vulnerabilities (NS-SA-2022-0055)	Nessus	NewStart CGSL Local Security Checks	2022/5/10	2022/5/10	high
124488	Fedora 30 : systemd (2019-3fa5db9e19)	Nessus	Fedora Local Security Checks	2019/5/2	2024/5/30	high
125077	Photon OS 2.0: Systemd PHSA-2019-2.0-0153	Nessus	PhotonOS Local Security Checks	2019/5/15	2024/7/22	high
126736	SUSE SLED15 / SLES15 Security Update : systemd (SUSE-SU-2019:1364-2)	Nessus	SuSE Local Security Checks	2019/7/16	2021/1/13	high
125244	SUSE SLED12 / SLES12 Security Update : systemd (SUSE-SU-2019:1265-1)	Nessus	SuSE Local Security Checks	2019/5/17	2024/5/22	high
149692	RHEL 8 : systemd (RHSA-2021:1611)	Nessus	Red Hat Local Security Checks	2021/5/19	2025/9/10	high
149774	CentOS 8 : systemd (CESA-2021:1611)	Nessus	CentOS Local Security Checks	2021/5/19	2022/5/10	high
157711	AlmaLinux 8 : systemd (ALSA-2021:1611)	Nessus	Alma Linux Local Security Checks	2022/2/9	2022/5/6	high
165993	Amazon Linux 2 : systemd (ALAS-2022-1854)	Nessus	Amazon Linux Local Security Checks	2022/10/10	2024/12/11	critical
236564	Alibaba Cloud Linux 3 : 0039: systemd (ALINUX3-SA-2022:0039)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	high
126288	EulerOS 2.0 SP8 : systemd (EulerOS-SA-2019-1661)	Nessus	Huawei Local Security Checks	2019/6/27	2024/5/14	high
128100	EulerOS 2.0 SP5 : systemd (EulerOS-SA-2019-1808)	Nessus	Huawei Local Security Checks	2019/8/23	2024/5/2	high
222936	Linux Distros Unpatched Vulnerability : CVE-2019-3842	Nessus	Misc.	2025/3/4	2026/7/16	high

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