CVE-2021-47033

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47033
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries

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/75bc5f779a7664d1fc19cb915039439c6e58bb94 Patch
https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 Patch
https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 Patch
https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 Patch
https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94 Patch
https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 Patch
https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 Patch
https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

12 Dec 2024, 15:39

Type Values Removed Values Added
CWE CWE-401
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94 - () https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94 - Patch
References () https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 - () https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 - Patch
References () https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 - () https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 - Patch
References () https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 - () https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 - Patch

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94 - () https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94 -
References () https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 - () https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2 -
References () https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 - () https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25 -
References () https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 - () https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7615: fix tx skb dma unmap. El primer puntero en el txp también debe desasignarse; de lo contrario, se filtrarán entradas de mapeo DMA

28 Feb 2024, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-28 09:15

Updated : 2024-12-12 15:39

NVD link : CVE-2021-47033

Mitre link : CVE-2021-47033

CVE.ORG link : CVE-2021-47033

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime