CVE-2022-48748

HIGH

Linux Kernel 5.6-5.6, 5.10-5.10.96, 5.11-5.15.19, 5.16-5.16.5 - DoS via Memory Leak in Bridge VLAN

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in __allowed_ingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and the pvid state is not learning/forwarding, untagged or priority-tagged frame will be dropped but skb memory is not freed. Should free skb when __allowed_ingress returns false.

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.0113
EPSS Percentile 62.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (15)
linux/Kernel 5.11.0 - 5.15.19linux
linux/Kernel 5.16.0 - 5.16.5linux
linux/Kernel 5.6.0 - 5.10.96linux
Linux/Linux < 5.6
Linux/Linux 5.10.96 - 5.10.*
Linux/Linux 5.15.19 - 5.15.*
Linux/Linux 5.16.5 - 5.16.*
Linux/Linux 5.17
Linux/Linux 5.6
Linux/Linux a580c76d534c7360ba68042b19cb255e8420e987 - 14be8d448fca6fe7b2a413831eedd55aef6c6511
... and 5 more
Published Jun 20, 2024
Tracked Since Feb 18, 2026