CVE-2023-3610

HIGH7.8

Use-after-free in Linux kernel's netfilter: nf_tables component

Published Jul 21, 2023

Modified 11 months ago

Details

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerability requires CAP_NET_ADMIN to be triggered.

We recommend upgrading past commit 4bedf9eee016286c835e3d8fa981ddece5338795.

References

FIXhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=4bedf9eee016286c835e3d8fa981ddece5338795 WEBhttps://kernel.dance/4bedf9eee016286c835e3d8fa981ddece5338795 WEBhttps://lists.debian.org/debian-lts-announce/2023/08/msg00001.html WEBhttps://security.netapp.com/advisory/ntap-20230818-0005/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-3610 WEBhttps://www.debian.org/security/2023/dsa-5461

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Memory Safety

CWE-416

Use After Free

Ecosystems

Timeline

PublishedJul 21, 2023

ModifiedFeb 13, 2025