CVE-2021-47310

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47310
In the Linux kernel, the following vulnerability has been resolved: net: ti: fix UAF in tlan_remove_one priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 Patch
https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 Patch
https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 Patch
https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 Patch
https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf Patch
https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 Patch
https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 Patch
https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 Patch
https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 Patch
https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 Patch
https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 Patch
https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 Patch
https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf Patch
https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 Patch
https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 Patch
https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
History

26 Dec 2024, 19:50

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CWE CWE-416
References () https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 - () https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 - Patch
References () https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 - () https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 - Patch
References () https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 - () https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 - Patch
References () https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 - () https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 - Patch
References () https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf - () https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf - Patch
References () https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 - () https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 - Patch
References () https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 - () https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 - Patch
References () https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 - () https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 - Patch
First Time Linux linux Kernel
Linux

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 - () https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70 -
References () https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 - () https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9 -
References () https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 - () https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342 -
References () https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 - () https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193 -
References () https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf - () https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf -
References () https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 - () https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1 -
References () https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 - () https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6 -
References () https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 - () https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 -
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: ti: corrige UAF en tlan_remove_one priv son datos privados de netdev y no se pueden usar después de la llamada free_netdev(). Usar priv después de free_netdev() puede causar un error en UAF. Solucionarlo moviendo free_netdev() al final de la función.

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2024-12-26 19:50

NVD link : CVE-2021-47310

Mitre link : CVE-2021-47310

CVE.ORG link : CVE-2021-47310

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

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