Anolis OS update for systemd (Anolis OS 8.5)
| 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 |
Anolis OS Operating systems & Components / Operating system systemd-udev Operating systems & Components / Operating system package or component systemd-tests Operating systems & Components / Operating system package or component systemd-pam Operating systems & Components / Operating system package or component systemd-libs Operating systems & Components / Operating system package or component systemd-journal-remote Operating systems & Components / Operating system package or component systemd-devel Operating systems & Components / Operating system package or component systemd-container Operating systems & Components / Operating system package or component systemd Operating systems & Components / Operating system package or component |
| Vendor | OpenAnolis |
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.
Install updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
systemd-udev: before 239-51.0.2
systemd-tests: before 239-51.0.2
systemd-pam: before 239-51.0.2
systemd-libs: before 239-51.0.2
systemd-journal-remote: before 239-51.0.2
systemd-devel: before 239-51.0.2
systemd-container: before 239-51.0.2
systemd: before 239-51.0.2
CPE2.3- cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
- cpe:2.3:o:openanolis:systemd-udev:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-tests:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-pam:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-libs:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-journal-remote:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd-container:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:systemd:*:*:*:*:*:anolis_os:*:*
https://anas.openanolis.cn/errata/detail/ANSA-2022:0030
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.
