CVE-2015-5738
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON...
CVE-2015-5738 is a high vulnerability (CVSS 7.5) in Marvell Software Development Kit, published July 26, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.43%, the 84th percentile. Fixed in libgcrypt 1.7.3-1.3.
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.
- Record
CVE-2015-5738- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.
- Record
CVE-2015-5738- Updated
- 2026-11-02
EUVDEUVD-2015-5684 No score
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.
- Record
EUVD-2015-5684- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rf7q-m4h8-9j2r
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON...
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.
- Record
GHSA-rf7q-m4h8-9j2r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10037-1 No score
libgcrypt-cavs-1.7.3-1.3 on GA media
These are all security issues fixed in the libgcrypt-cavs-1.7.3-1.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10037-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libgcryptopenSUSE:Tumbleweed |
before 1.7.3-1.3 | 1.7.3-1.3 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |