CVE-2021-47032

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47032
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: 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/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 Patch
https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e Patch
https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 Patch
https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 Patch
https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 Patch
https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e Patch
https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 Patch
https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 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, 15:38

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 - () https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 - Patch
References () https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e - () https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e - Patch
References () https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 - () https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 - Patch
References () https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 - () https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 - Patch
CWE CWE-401

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 - () https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 -
References () https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e - () https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e -
References () https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 - () https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 -
References () https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 - () https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7915: 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 15:38

NVD link : CVE-2021-47032

Mitre link : CVE-2021-47032

CVE.ORG link : CVE-2021-47032

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime