Multiple vulnerabilities in Dell Disk Library for mainframe (DLm)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2021-38578 CVE-2023-25537 CVE-2022-40982 CVE-2022-43505 |
| CWE-ID | CWE-787 CWE-1342 CWE-691 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Disk Library for mainframe (DLm) Other software / Other software solutions |
| Vendor | Dell |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Out-of-bounds write
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.
Install update from vendor's website.
Vulnerable software versionsDisk Library for mainframe (DLm): before 5.5.0.4
External linksQ & 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.
2) Out-of-bounds write
EUVDB-ID: #VU76168
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-25537
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 System Management Mode. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Install update from vendor's website.
Vulnerable software versionsDisk Library for mainframe (DLm): before 5.5.0.4
External linksQ & 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.
3) Information exposure through microarchitectural state after transient execution
EUVDB-ID: #VU79262
Risk: Medium
CVSSv3.1: 7.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-40982
CWE-ID:
CWE-1342 - Information Exposure through Microarchitectural State after Transient Execution
Exploit availability: No
DescriptionThe vulnerability allows a malicious guest to escalate privileges on the system.
The vulnerability exists due to the way data is shared between threads whereby the AVX GATHER instructions on Intel processors can forward the content of stale vector registers to dependent instructions. A malicious guest can infer data from different contexts on the same core and execute arbitrary code with elevated privileges.
Install update from vendor's website.
Vulnerable software versionsDisk Library for mainframe (DLm): before 5.5.0.4
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Insufficient control flow management
EUVDB-ID: #VU79560
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-43505
CWE-ID:
CWE-691 - Insufficient Control Flow Management
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient control flow management in the BIOS firmware. A local user can perform a denial of service (DoS) attack.
Install update from vendor's website.
Vulnerable software versionsDisk Library for mainframe (DLm): before 5.5.0.4
External linksQ & 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.
