High 7.8Published Jul 21, 2023

CVE-2023-3610Use-after-free in Linux kernel's netfilter: nf_tables component

Updated under an hour ago (Oct 26, 2026, 3:50 PM ET)

This data is behind schedule: last updated Oct 26, 2026, 3:50 PM ET. We are working on it.Behind: CVE records (cvelistV5).

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It affects Linux Kernel and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Google
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Kernel linux:kernel (from the name)	from 5.9 before 6.4	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1	CISA ADP
linux linux_kernel linux:linux_kernel	from 5.9 before 5.10.188; from 5.11 before 5.15.119; from 5.16 before 6.1.36; from 6.2 before 6.3.10	NVD
debian debian_linux debian:debian_linux	10.0; 11.0	NVD

References

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=4bedf9eee016286c835e3d8fa981ddece5338795	patch, mailing-list, vendor-advisory
https://kernel.dance/4bedf9eee016286c835e3d8fa981ddece5338795	patch, vendor-advisory
https://www.debian.org/security/2023/dsa-5461	third-party-advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html	mailing-list, third-party-advisory
https://security.netapp.com/advisory/ntap-20230818-0005/	third-party-advisory, vdb-entry
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://cert-portal.siemens.com/productcert/html/ssa-831302.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.