// For flags

CVE-2021-46948

sfc: farch: fix TX queue lookup in TX event handling

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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).

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).

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-02-25 CVE Reserved
  • 2024-02-27 CVE Published
  • 2024-04-21 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.10.36
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.10.36"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.11.20
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.11.20"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.12.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.12.3"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.10 < 5.13
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.13"
en
Affected