Filtered by vendor Systemd Project Subscriptions
Total 47 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2017-9217 1 Systemd Project 1 Systemd 2024-08-05 7.5 High
systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.
CVE-2018-21029 2 Fedoraproject, Systemd Project 2 Fedora, Systemd 2024-08-05 9.8 Critical
systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)
CVE-2018-20839 2 Netapp, Systemd Project 5 Cn1610, Cn1610 Firmware, Snapprotect and 2 more 2024-08-05 9.8 Critical
systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.
CVE-2018-16888 4 Canonical, Netapp, Redhat and 1 more 6 Ubuntu Linux, Active Iq Performance Analytics Services, Element Software and 3 more 2024-08-05 4.7 Medium
It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.
CVE-2018-16865 5 Canonical, Debian, Oracle and 2 more 16 Ubuntu Linux, Debian Linux, Communications Session Border Controller and 13 more 2024-08-05 7.8 High
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.
CVE-2018-16864 5 Canonical, Debian, Oracle and 2 more 16 Ubuntu Linux, Debian Linux, Communications Session Border Controller and 13 more 2024-08-05 7.8 High
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.
CVE-2018-16866 5 Canonical, Debian, Netapp and 2 more 26 Ubuntu Linux, Debian Linux, Active Iq Performance Analytics Services and 23 more 2024-08-05 3.3 Low
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
CVE-2018-6954 3 Canonical, Opensuse, Systemd Project 3 Ubuntu Linux, Leap, Systemd 2024-08-05 7.8 High
systemd-tmpfiles in systemd through 237 mishandles symlinks present in non-terminal path components, which allows local users to obtain ownership of arbitrary files via vectors involving creation of a directory and a file under that directory, and later replacing that directory with a symlink. This occurs even if the fs.protected_symlinks sysctl is turned on.
CVE-2019-20386 6 Canonical, Fedoraproject, Netapp and 3 more 9 Ubuntu Linux, Fedora, Active Iq Unified Manager and 6 more 2024-08-05 2.4 Low
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-2019-15718 3 Fedoraproject, Redhat, Systemd Project 15 Fedora, Enterprise Linux, Enterprise Linux Eus and 12 more 2024-08-05 4.4 Medium
In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.
CVE-2019-6454 8 Canonical, Debian, Fedoraproject and 5 more 26 Ubuntu Linux, Debian Linux, Fedora and 23 more 2024-08-04 5.5 Medium
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
CVE-2019-3844 4 Canonical, Netapp, Redhat and 1 more 8 Ubuntu Linux, Cn1610, Cn1610 Firmware and 5 more 2024-08-04 7.8 High
It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow 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-2019-3843 5 Canonical, Fedoraproject, Netapp and 2 more 9 Ubuntu Linux, Fedora, Cn1610 and 6 more 2024-08-04 7.8 High
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-2019-3842 4 Debian, Fedoraproject, Redhat and 1 more 5 Debian Linux, Fedora, Enterprise Linux and 2 more 2024-08-04 7.0 High
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 4 Fedoraproject, Netapp, Redhat and 1 more 6 Fedora, Active Iq Unified Manager, Solidfire \& Hci Management Node and 3 more 2024-08-04 6.7 Medium
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-2020-13529 4 Fedoraproject, Netapp, Redhat and 1 more 5 Fedora, Active Iq Unified Manager, Cloud Backup and 2 more 2024-08-04 6.1 Medium
An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
CVE-2020-1712 3 Debian, Redhat, Systemd Project 8 Debian Linux, Ceph Storage, Discovery and 5 more 2024-08-04 7.8 High
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.
CVE-2021-33910 5 Debian, Fedoraproject, Netapp and 2 more 8 Debian Linux, Fedora, Hci Management Node and 5 more 2024-08-04 5.5 Medium
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-2021-3997 3 Fedoraproject, Redhat, Systemd Project 3 Fedora, Enterprise Linux, Systemd 2024-08-03 5.5 Medium
A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.
CVE-2022-45873 3 Fedoraproject, Redhat, Systemd Project 3 Fedora, Enterprise Linux, Systemd 2024-08-03 5.5 Medium
systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it in a deeply nested directory to make its backtrace large enough to cause the deadlock. This must be done 16 times when MaxConnections=16 is set for the systemd/units/systemd-coredump.socket file.