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CVE
added 2021/07/20 7:15 p.m.441 views

CVE-2021-33910

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.

5.5CVSS5.8AI score0.00094EPSS
CVE
CVE
added 2020/01/21 6:15 a.m.407 views

CVE-2019-20386

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.

5.1CVSS5.1AI score0.00082EPSS
CVE
CVE
added 2019/04/09 9:29 p.m.399 views

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 pol...

7CVSS6.8AI score0.0009EPSS
CVE
CVE
added 2019/01/11 9:29 p.m.387 views

CVE-2018-16865

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-jo...

7.8CVSS7.8AI score0.02073EPSS
CVE
CVE
added 2019/01/11 8:29 p.m.377 views

CVE-2018-16864

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. Versi...

7.8CVSS6.2AI score0.00199EPSS
CVE
CVE
added 2022/08/23 8:15 p.m.375 views

CVE-2021-3997

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.

5.5CVSS5.4AI score0.00038EPSS
CVE
CVE
added 2018/10/26 2:29 p.m.365 views

CVE-2018-15688

A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239.

8.8CVSS9AI score0.00845EPSS
CVE
CVE
added 2019/01/11 7:29 p.m.319 views

CVE-2018-16866

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.

4.3CVSS5.3AI score0.001EPSS
CVE
CVE
added 2023/01/11 3:15 p.m.315 views

CVE-2022-4415

A vulnerability was found in systemd. This security flaw can cause a local information leak due to systemd-coredump not respecting the fs.suid_dumpable kernel setting.

5.5CVSS5.4AI score0.00021EPSS
CVE
CVE
added 2021/05/10 4:15 p.m.294 views

CVE-2020-13529

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.

6.1CVSS6.2AI score0.00055EPSS
CVE
CVE
added 2018/10/26 2:29 p.m.260 views

CVE-2018-15686

A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and inclu...

7.8CVSS6.4AI score0.02028EPSS
CVE
CVE
added 2018/02/16 9:29 p.m.251 views

CVE-2018-1049

In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from kernel may not be serviced by systemd resulting in kernel holding the mountpoint and any processes that try to use said mount will hang. A race condition like this may lead to denia...

5.9CVSS5.5AI score0.00764EPSS
CVE
CVE
added 2020/03/31 5:15 p.m.246 views

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 se...

7.8CVSS7.6AI score0.00105EPSS
CVE
CVE
added 2019/01/14 10:29 p.m.230 views

CVE-2018-16888

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 fl...

4.7CVSS5.4AI score0.00086EPSS
CVE
CVE
added 2023/03/03 4:15 p.m.194 views

CVE-2023-26604

systemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible sudoers files in which the "systemctl status" command may be executed. Specifically, systemd does not set LESSSECURE to 1, and thus other programs may be launched from the less prog...

7.8CVSS7.8AI score0.04606EPSS
CVE
CVE
added 2018/02/13 8:29 p.m.190 views

CVE-2018-6954

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...

7.8CVSS7.2AI score0.00054EPSS
CVE
CVE
added 2020/06/03 3:15 a.m.184 views

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.

6.7CVSS8.1AI score0.00557EPSS
CVE
CVE
added 2018/01/29 5:29 a.m.179 views

CVE-2017-18078

systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks w...

7.8CVSS7.2AI score0.00106EPSS
CVE
CVE
added 2022/11/08 10:15 p.m.172 views

CVE-2022-3821

An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.

5.5CVSS5.8AI score0.00016EPSS
CVE
CVE
added 2019/04/26 9:29 p.m.166 views

CVE-2019-3844

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 ...

7.8CVSS7.4AI score0.00175EPSS
CVE
CVE
added 2019/04/26 9:29 p.m.139 views

CVE-2019-3843

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 differ...

7.8CVSS7.2AI score0.0014EPSS
CVE
CVE
added 2022/11/23 11:15 p.m.94 views

CVE-2022-45873

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...

5.5CVSS5AI score0.0003EPSS
CVE
CVE
added 2013/10/28 10:55 p.m.90 views

CVE-2013-4392

systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.

5CVSS6.6AI score0.00067EPSS
CVE
CVE
added 2018/10/26 2:29 p.m.88 views

CVE-2018-15687

A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.

7.8CVSS7.6AI score0.00352EPSS
CVE
CVE
added 2013/10/03 9:55 p.m.83 views

CVE-2013-4327

systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

6.9CVSS6.2AI score0.00042EPSS
CVE
CVE
added 2017/07/07 5:29 p.m.83 views

CVE-2017-1000082

systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privileges rather than the user intended.

10CVSS7.6AI score0.00557EPSS
CVE
CVE
added 2017/06/28 6:29 a.m.83 views

CVE-2017-9445

In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that's too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that's too small, and...

7.5CVSS7.5AI score0.04706EPSS
CVE
CVE
added 2014/04/18 2:55 p.m.80 views

CVE-2012-0871

The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.

6.3CVSS6.3AI score0.00145EPSS
CVE
CVE
added 2019/10/30 10:15 p.m.77 views

CVE-2018-21029

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 vali...

9.8CVSS9.3AI score0.0156EPSS
CVE
CVE
added 2016/10/13 2:59 p.m.65 views

CVE-2016-7795

The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.

5.5CVSS5.2AI score0.0016EPSS
CVE
CVE
added 2017/05/24 5:29 a.m.65 views

CVE-2017-9217

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.

7.5CVSS7AI score0.0149EPSS
CVE
CVE
added 2013/10/28 10:55 p.m.61 views

CVE-2013-4391

Integer overflow in the valid_user_field function in journal/journald-native.c in systemd allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large journal data field, which triggers a heap-based buffer overflow.

7.5CVSS8AI score0.037EPSS
CVE
CVE
added 2013/10/28 10:55 p.m.54 views

CVE-2013-4394

The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors invo...

5.9CVSS6.3AI score0.00109EPSS
CVE
CVE
added 2013/10/28 10:55 p.m.53 views

CVE-2013-4393

journald in systemd, when the origin of native messages is set to file, allows local users to cause a denial of service (logging service blocking) via a crafted file descriptor.

2.1CVSS6.2AI score0.0015EPSS
CVE
CVE
added 2020/03/11 3:15 p.m.48 views

CVE-2012-1101

systemd 37-1 does not properly handle non-existent services, which causes a denial of service (failure of login procedure).

5.5CVSS5.5AI score0.00153EPSS