CVE-2021-47398

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47398
In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix kernel pointer leak Pointers should be printed with %p or %px rather than cast to 'unsigned long long' and printed with %llx. Change %llx to %p to print the secured pointer.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 Patch
https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 Patch
https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 Patch
https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
History

19 Sep 2025, 14:28

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 - () https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 - Patch
References () https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 - () https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 - Patch
CWE CWE-401

21 Nov 2024, 06:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 - () https://git.kernel.org/stable/c/714bfabe5f2901d96902e271d7217601fe4703e5 -
References () https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 - () https://git.kernel.org/stable/c/7d5cfafe8b4006a75b55c2f1fdfdb363f9a5cc98 -
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: RDMA/hfi1: corrige la fuga del puntero del kernel. Los punteros deben imprimirse con %p o %px en lugar de convertirlos a 'unsigned long long' e imprimirse con %llx. Cambie %llx a %p para imprimir el puntero seguro.

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2025-09-19 14:28

NVD link : CVE-2021-47398

Mitre link : CVE-2021-47398

CVE.ORG link : CVE-2021-47398

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime