CVE-2023-3610

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

HIGH
7.8
CVSS Score
Published: July 21, 2023 at 08:48 PM UTC
Updated: October 14, 2026 at 09:17 PM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.11 ≤ v < 5.15.1195.16 ≤ v < 6.1.365.9 ≤ v < 5.10.1886.2 ≤ v < 6.3.105.9
Affected range stops below 5.10.188, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.119, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.36, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.8HIGHGoogle
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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