CVE-2024-27064

MEDIUM

Linux Kernel < 6.4 - Use-After-Free in nf_tables_updchain

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix a memory leak in nf_tables_updchain If nft_netdev_register_hooks() fails, the memory associated with nft_stats is not freed, causing a memory leak. This patch fixes it by moving nft_stats_alloc() down after nft_netdev_register_hooks() succeeds.

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/79846fdcc548d617b0b321addc6a3821d3b75b20

Patch

https://git.kernel.org/stable/c/4e4623a4f6e133e671f65f9ac493bddaaf63e250

Patch

https://git.kernel.org/stable/c/e77a6b53a3a547b6dedfc40c37cee4f310701090

Patch

https://git.kernel.org/stable/c/7eaf837a4eb5f74561e2486972e7f5184b613f6e

Scores

CVSS v3 5.5

EPSS 0.0022

EPSS Percentile 12.6%

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 (13)

Linux/Linux < 6.4

Linux/Linux 6.3.3 - 6.4

Linux/Linux 6.4

Linux/Linux 6.6.23 - 6.6.*

Linux/Linux 6.7.11 - 6.7.*

Linux/Linux 6.8.2 - 6.8.*

Linux/Linux 6.9

Linux/Linux b9703ed44ffbfba85c103b9de01886a225e14b38 - 4e4623a4f6e133e671f65f9ac493bddaaf63e250

Linux/Linux b9703ed44ffbfba85c103b9de01886a225e14b38 - 79846fdcc548d617b0b321addc6a3821d3b75b20

Linux/Linux b9703ed44ffbfba85c103b9de01886a225e14b38 - 7eaf837a4eb5f74561e2486972e7f5184b613f6e

... and 3 more

Published May 01, 2024

Tracked Since Feb 18, 2026