7.8

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

Modified
AliasesUBUNTU-CVE-2023-3610DEBIAN-CVE-2023-3610
Published 21-07-2023Last modified 14-10-2026

Vulnerability summary

CVE-2023-3610 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 33 · Related 28
DLA-3512-1DSA-5461-1RHSA-2023:5069RHSA-2023:5091RHSA-2023:5093SUSE-SU-2023:3599-1

Timeline

  1. 21-07-2023
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 0.25% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu90 products
  • linux< 5.15.0-82.91
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1043.48
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • kernel≥ 5.9, < 6.4
  • linux_kernel≥ 5.9, < 5.10.188 | ≥ 5.11, < 5.15.119 | ≥ 5.16, < 6.1.36 | ≥ 6.2, < 6.3.10

3 vendors · 94 products

References

22 links
Show all 22 references