SUSE update for s390-tools
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-25316 |
| CWE-ID | CWE-377 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system s390-tools-zdsfs-debuginfo Operating systems & Components / Operating system package or component s390-tools-zdsfs Operating systems & Components / Operating system package or component s390-tools-hmcdrvfs-debuginfo Operating systems & Components / Operating system package or component s390-tools-hmcdrvfs Operating systems & Components / Operating system package or component s390-tools-debugsource Operating systems & Components / Operating system package or component s390-tools-debuginfo Operating systems & Components / Operating system package or component s390-tools Operating systems & Components / Operating system package or component osasnmpd-debuginfo Operating systems & Components / Operating system package or component osasnmpd Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Insecure Temporary File
EUVDB-ID: #VU51450
Risk: Low
CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2021-25316
CWE-ID:
CWE-377 - Insecure Temporary File
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to s390-tools creates temporary files with predictable file names during VM migration. A local user can create temporary files before the VM migration starts and perform a DoS attack.
Update the affected package s390-tools to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Basesystem: 15-SP2
s390-tools-zdsfs-debuginfo: before 2.11.0-9.20.1
s390-tools-zdsfs: before 2.11.0-9.20.1
s390-tools-hmcdrvfs-debuginfo: before 2.11.0-9.20.1
s390-tools-hmcdrvfs: before 2.11.0-9.20.1
s390-tools-debugsource: before 2.11.0-9.20.1
s390-tools-debuginfo: before 2.11.0-9.20.1
s390-tools: before 2.11.0-9.20.1
osasnmpd-debuginfo: before 2.11.0-9.20.1
osasnmpd: before 2.11.0-9.20.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:a:suse:s390-tools-zdsfs-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools-zdsfs:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools-hmcdrvfs-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools-hmcdrvfs:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:s390-tools:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:osasnmpd-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:osasnmpd:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20210777-1/
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.
