Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU75395
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38578
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in MdeModulePkg/Core/PiSmmCore/PiSmmCore.c. A local user trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package ovmf to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4
Server Applications Module: 15-SP4
SUSE Linux Enterprise Micro: 5.3 - 5.4
SUSE Linux Enterprise Server for SAP Applications 15: SP4
SUSE Linux Enterprise Server 15: SP4
SUSE Linux Enterprise Real Time 15: SP4
SUSE Linux Enterprise High Performance Computing 15: SP4
openSUSE Leap Micro: 5.3
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
openSUSE Leap: 15.4
qemu-ovmf-x86_64-debug: before 202202-150400.5.10.1
qemu-ovmf-ia32: before 202202-150400.5.10.1
qemu-uefi-aarch32: before 202202-150400.5.10.1
ovmf-tools: before 202202-150400.5.10.1
ovmf: before 202202-150400.5.10.1
qemu-uefi-aarch64: before 202202-150400.5.10.1
qemu-ovmf-x86_64: before 202202-150400.5.10.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20232234-1/
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.