CVE-2021-46948

MEDIUM

Linux Kernel 5.10.0-5.10.35 - NULL Pointer Dereference in TX Queue Lookup

Title source: llm

Description

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).

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253

Patch

https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052

Patch

https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c

Patch

https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e

Scores

CVSS v3 5.5

EPSS 0.0022

EPSS Percentile 12.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (11)

Linux/Linux < 5.10

Linux/Linux 12804793b17c0e19115a90d98f2f3df0cb79e233 - 35c7a83ad1bb1d48ae249346e61b1132bcbf9052

Linux/Linux 12804793b17c0e19115a90d98f2f3df0cb79e233 - 83b09a1807415608b387c7bc748d329fefc5617e

Linux/Linux 12804793b17c0e19115a90d98f2f3df0cb79e233 - bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253

Linux/Linux 12804793b17c0e19115a90d98f2f3df0cb79e233 - e531db1ea6f98c9612cb2de093a107c7eadfb96c

Linux/Linux 5.10

Linux/Linux 5.10.36 - 5.10.*

Linux/Linux 5.11.20 - 5.11.*

Linux/Linux 5.12.3 - 5.12.*

Linux/Linux 5.13

... and 1 more

Published Feb 27, 2024

Tracked Since Feb 18, 2026