SUSE update for ovmf
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-45236 CVE-2023-45237 |
| CWE-ID | CWE-338 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise High Performance Computing LTSS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing ESPOS 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP5 Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system qemu-ovmf-x86_64-debug Operating systems & Components / Operating system package or component qemu-ovmf-x86_64 Operating systems & Components / Operating system package or component qemu-uefi-aarch64 Operating systems & Components / Operating system package or component qemu-ovmf-ia32 Operating systems & Components / Operating system package or component qemu-uefi-aarch32 Operating systems & Components / Operating system package or component ovmf Operating systems & Components / Operating system package or component ovmf-tools Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
EUVDB-ID: #VU85527
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-45236
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.
MitigationUpdate the affected package ovmf to the latest version.
Vulnerable software versionsSUSE Linux Enterprise High Performance Computing LTSS 15: SP5
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP5
SUSE Linux Enterprise Server 15 SP5: LTSS
SUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
qemu-ovmf-x86_64-debug: before 202208-150500.6.9.1
qemu-ovmf-x86_64: before 202208-150500.6.9.1
qemu-uefi-aarch64: before 202208-150500.6.9.1
qemu-ovmf-ia32: before 202208-150500.6.9.1
qemu-uefi-aarch32: before 202208-150500.6.9.1
ovmf: before 202208-150500.6.9.1
ovmf-tools: before 202208-150500.6.9.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp5:LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:qemu-ovmf-x86_64-debug:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-ovmf-x86_64:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-uefi-aarch64:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-ovmf-ia32:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-uefi-aarch32:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:ovmf:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:ovmf-tools:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-20250609-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
EUVDB-ID: #VU85528
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-45237
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationUpdate the affected package ovmf to the latest version.
Vulnerable software versionsSUSE Linux Enterprise High Performance Computing LTSS 15: SP5
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP5
SUSE Linux Enterprise Server 15 SP5: LTSS
SUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
qemu-ovmf-x86_64-debug: before 202208-150500.6.9.1
qemu-ovmf-x86_64: before 202208-150500.6.9.1
qemu-uefi-aarch64: before 202208-150500.6.9.1
qemu-ovmf-ia32: before 202208-150500.6.9.1
qemu-uefi-aarch32: before 202208-150500.6.9.1
ovmf: before 202208-150500.6.9.1
ovmf-tools: before 202208-150500.6.9.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp5:LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:qemu-ovmf-x86_64-debug:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-ovmf-x86_64:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-uefi-aarch64:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-ovmf-ia32:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:qemu-uefi-aarch32:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:ovmf:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:ovmf-tools:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-20250609-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
