Vulnerability Details : CVE-2023-7192
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.
Vulnerability category: Denial of service
Products affected by CVE-2023-7192
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-7192
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 9 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-7192
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
NIST | 2024-01-09 |
6.1
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |
1.8
|
4.2
|
Red Hat, Inc. | 2024-01-02 |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Red Hat, Inc. | 2024-01-30 |
CWE ids for CVE-2023-7192
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
-
The product makes resources available to untrusted parties when those resources are only intended to be accessed by the product.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2023-7192
-
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83
netfilter: ctnetlink: fix possible refcount leak in ctnetlink_create_conntrack() - kernel/git/netdev/net.git - Netdev Group's networking treeMailing List;Patch
-
https://access.redhat.com/errata/RHSA-2024:1250
RHSA-2024:1250 - Security Advisory - Red Hat Customer Portal
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https://bugzilla.redhat.com/show_bug.cgi?id=2256279
2256279 – (CVE-2023-7192) CVE-2023-7192 kernel: refcount leak in ctnetlink_create_conntrack()Issue Tracking;Patch
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https://access.redhat.com/security/cve/CVE-2023-7192
CVE-2023-7192- Red Hat Customer PortalThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2024:0725
RHSA-2024:0725 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:2006
RHSA-2024:2006 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1367
RHSA-2024:1367 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1306
RHSA-2024:1306 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1382
RHSA-2024:1382 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:0723
RHSA-2024:0723 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1188
RHSA-2024:1188 - Security Advisory - Red Hat カスタマーポータル
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https://access.redhat.com/errata/RHSA-2024:2008
RHSA-2024:2008 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1404
RHSA-2024:1404 - Security Advisory - Red Hat カスタマーポータル
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