A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.
CVE-2023-7192
Score 6.1 from GitHub Security Advisory published 2024-01-02. NVD baseline CVSS 4.4; sources differ by 1.7.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.4
- EG Score
- 6.1(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 22%
- KEV
- Not listed
Published
January 2, 2024
Last Modified
June 17, 2026
References (26)
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:0723
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:0725
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1188
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1250
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1306
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1367
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1382
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:1404
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:2006
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:2008
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2023-7192
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2256279
- secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0723
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0725
Vendor Advisories for CVE-2023-7192(10)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:2006Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2024:2008Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security update
- RHSA-2024:1404Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2024:1382Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2024:1367Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2024:1306Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2024:1250Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2024:1188Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- +2 more
Patch Availability(16)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ibm (6.8.0-1005) @ noble | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual (3.13.0.196.206) @ trusty | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-lts-xenial (4.4.0.251.257) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-16.04-edge (4.15.0.222.6) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-azure (4.15.0.1174.140) @ trusty | 2026-05-24 | ubuntu |
| ubuntu | lowlatency-5.4 (5.4.0-150) @ bionic | 2026-05-24 | ubuntu |
| redhat | kernel-rt-0:4.18.0-193.133.1.rt13.184.el8_2 | 2024-04-23 | redhat |
| redhat | kernel-0:4.18.0-193.133.1.el8_2 | 2024-04-23 | redhat |
| redhat | kernel-rt-0:4.18.0-305.125.1.rt7.201.el8_4 | 2024-03-19 | redhat |
| redhat | kernel-0:4.18.0-477.51.1.el8_8 | 2024-03-19 | redhat |
| redhat | kernel-0:4.18.0-305.125.1.el8_4 | 2024-03-19 | redhat |
| redhat | kernel-rt-0:5.14.0-70.93.1.rt21.165.el9_0 | 2024-03-13 | redhat |
| redhat | kernel-0:5.14.0-70.93.2.el9_0 | 2024-03-12 | redhat |
| redhat | kernel-0:4.18.0-372.95.1.el8_6 | 2024-03-06 | redhat |
| redhat | kernel-rt-0:5.14.0-284.52.1.rt14.337.el9_2 | 2024-02-07 | redhat |
| redhat | kernel-0:5.14.0-284.52.1.el9_2 | 2024-02-07 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (25 versions) | 5.10.178-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.1.20-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.1.20-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.1.20-1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(7)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2023-71922024-01-09
Kernel: refcount leak in ctnetlink_create_conntrack()
- UbuntuLSN-0101-1HIGH
Kernel Live Patch Security Notice
- UbuntuLSN-0105-1HIGH
Kernel Live Patch Security Notice
- UbuntuUSN-6645-1HIGH
Linux kernel vulnerability
- UbuntuUSN-6646-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-6647-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-6647-2HIGH
Linux kernel (Azure) vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 148 total refreshes for this CVE.
- 2026-09-07 15:59 UTCEPSS rescore
- 2026-09-06 13:46 UTCEPSS rescore
- 2026-09-05 15:26 UTCEPSS rescore
- 2026-09-04 13:58 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-03 09:00 UTCOSV refresh
- 2026-09-02 14:10 UTCEPSS rescore
- 2026-09-01 13:52 UTCEPSS rescore
- 2026-09-01 04:36 UTCEPSS rescore
- 2026-08-30 19:15 UTCEPSS rescore
- 2026-08-30 01:20 UTCEPSS rescore
- 2026-08-28 21:39 UTCEPSS rescore
- 2026-08-27 14:23 UTCEPSS rescore
- 2026-08-26 14:44 UTCEPSS rescore
- 2026-08-25 13:47 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
- 2026-08-20 22:53 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:46 UTCEPSS rescore
- 2026-08-16 22:26 UTCOSV refresh
- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 02:12 UTCEPSS rescore
- 2026-08-15 01:28 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-11 13:40 UTCEPSS rescore
- 2026-08-10 23:58 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:35 UTCEPSS rescore
- 2026-08-07 16:25 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 10:36 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 16:36 UTCOSV refresh
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:29 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-26 14:53 UTCEPSS rescore
- 2026-07-25 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:30 UTCEG score recompute
- 2026-07-22 23:17 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:01 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-14 23:40 UTCOSV refresh
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 00:37 UTCOSV refresh
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 06:36 UTCNVD updateCVSS v3 → 4.4
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
- CVE-2001-0011EG 10.0EPSS p94HIGH
- CVE-2001-0013EG 10.0EPSS p96HIGH
Same CWE
10 shownCWE-401
- CVE-2018-0158NVD 8.6EG 9.0 KEVEPSS p94CRITICAL
- CVE-2019-17340EG 8.8HIGH
- CVE-2019-1708EG 8.6HIGH
- CVE-2018-15377EG 8.6HIGH
- CVE-2016-6304NVD 7.5EG 8.4EPSS p99HIGH
- CVE-2019-10547EG 7.8HIGH
- CVE-2007-2274EG 7.8EPSS p94HIGH
- CVE-2015-8567EG 7.7EPSS p92HIGH
- CVE-2016-4232NVD 7.5EG 7.7EPSS p98HIGH
- CVE-2018-17240EG 7.5HIGH
Frequently asked(5)
What is CVE-2023-7192?
When was CVE-2023-7192 disclosed?
Is CVE-2023-7192 actively exploited?
What is the CVSS score of CVE-2023-7192?
How do I remediate CVE-2023-7192?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-7192
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