CVE-2021-46948

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-46948
In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX event handling We're starting from a TXQ label, not a TXQ type, so efx_channel_get_tx_queue() is inappropriate (and could return NULL, leading to panics).

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/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 Patch
https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e Patch
https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 Patch
https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c 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

10 Apr 2024, 20:14

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 - () https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 - Patch
References () https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e - () https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e - Patch
References () https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 - () https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 - Patch
References () https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c - () https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: sfc: farch: corrige la búsqueda de cola TX en el manejo de eventos TX Estamos comenzando desde una etiqueta TXQ, no un tipo TXQ, por lo que efx_channel_get_tx_queue() es inapropiado (y podría devolver NULL, provocando pánico).

27 Feb 2024, 19:04

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-27 19:04

Updated : 2024-04-10 20:14

NVD link : CVE-2021-46948

Mitre link : CVE-2021-46948

CVE.ORG link : CVE-2021-46948

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference