CVE-2023-4569 MEDIUM

CVE-2023-4569: Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-402
Published August 28, 2023
Last update February 27, 2025
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.

Key dates

02Disclosure timeline

August 28, 2023 CVE published
February 27, 2025 Record updated