SUSE update for systemd
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-33910 |
| CWE-ID | CWE-789 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
SUSE Linux Enterprise Software Development Kit Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system systemd-bash-completion Operating systems & Components / Operating system package or component systemd-debuginfo-32bit Operating systems & Components / Operating system package or component systemd-32bit Operating systems & Components / Operating system package or component libudev1-debuginfo-32bit Operating systems & Components / Operating system package or component libudev1-32bit Operating systems & Components / Operating system package or component libsystemd0-debuginfo-32bit Operating systems & Components / Operating system package or component libsystemd0-32bit Operating systems & Components / Operating system package or component udev-debuginfo Operating systems & Components / Operating system package or component udev Operating systems & Components / Operating system package or component systemd-sysvinit Operating systems & Components / Operating system package or component systemd Operating systems & Components / Operating system package or component libudev1-debuginfo Operating systems & Components / Operating system package or component libudev1 Operating systems & Components / Operating system package or component libsystemd0-debuginfo Operating systems & Components / Operating system package or component libsystemd0 Operating systems & Components / Operating system package or component systemd-devel Operating systems & Components / Operating system package or component systemd-debugsource Operating systems & Components / Operating system package or component systemd-debuginfo Operating systems & Components / Operating system package or component libudev-devel Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Uncontrolled Memory Allocation
EUVDB-ID: #VU55034
Risk: Low
CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2021-33910
CWE-ID:
CWE-789 - Uncontrolled Memory Allocation
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to stack exhaustion within the basic/unit-name.c in systemd. A local user can crash the systemd (PID 1) and cause a kernel panic.
Update the affected package systemd to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server: 12-SP5
systemd-bash-completion: before 228-157.33.1
systemd-debuginfo-32bit: before 228-157.33.1
systemd-32bit: before 228-157.33.1
libudev1-debuginfo-32bit: before 228-157.33.1
libudev1-32bit: before 228-157.33.1
libsystemd0-debuginfo-32bit: before 228-157.33.1
libsystemd0-32bit: before 228-157.33.1
udev-debuginfo: before 228-157.33.1
udev: before 228-157.33.1
systemd-sysvinit: before 228-157.33.1
systemd: before 228-157.33.1
libudev1-debuginfo: before 228-157.33.1
libudev1: before 228-157.33.1
libsystemd0-debuginfo: before 228-157.33.1
libsystemd0: before 228-157.33.1
systemd-devel: before 228-157.33.1
systemd-debugsource: before 228-157.33.1
systemd-debuginfo: before 228-157.33.1
libudev-devel: before 228-157.33.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:systemd-bash-completion:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libudev1-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libudev1-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libsystemd0-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libsystemd0-32bit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:udev-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:udev:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-sysvinit:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libudev1-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libudev1:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libsystemd0-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libsystemd0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:systemd-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libudev-devel:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20213611-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
