CVE-2021-46996

MEDIUM

Linux Kernel 5.10-5.10.38 - Use-After-Free in nftables Userdata Allocation

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix a memleak from userdata error path in new objects Release object name if userdata allocation fails.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 15.6%
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-401
Status published
Products (11)
Linux/Linux < 5.10
Linux/Linux 5.10
Linux/Linux 5.10.38 - 5.10.*
Linux/Linux 5.11.22 - 5.11.*
Linux/Linux 5.12.5 - 5.12.*
Linux/Linux 5.13
Linux/Linux b131c96496b369c7b14125e7c50e89ac7cec8051 - 2c784a500f5edd337258b0fdb2f31bc9abde1a23
Linux/Linux b131c96496b369c7b14125e7c50e89ac7cec8051 - 59fa98bfa1f4013d658d990cac88c87b46ff410c
Linux/Linux b131c96496b369c7b14125e7c50e89ac7cec8051 - 85dfd816fabfc16e71786eda0a33a7046688b5b0
Linux/Linux b131c96496b369c7b14125e7c50e89ac7cec8051 - dd3bebf515f336214a91994348a2b86b9a1d3d7f
... and 1 more
Published Feb 28, 2024
Tracked Since Feb 18, 2026