Vulnerability in Linux Kernel
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:4.18.0-193.133.1.el8_2
- Red Hat Enterprise Linux 8.2 Telecommunications Update Service — versions 0:4.18.0-193.133.1.rt13.184.el8_2, 0:4.18.0-193.133.1.el8_2
- Red Hat Enterprise Linux 8.2 Update Services For SAP Solutions — versions 0:4.18.0-193.133.1.el8_2
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:4.18.0-305.125.1.el8_4
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service — versions 0:4.18.0-305.125.1.rt7.201.el8_4, 0:4.18.0-305.125.1.el8_4
- Red Hat Enterprise Linux 8.4 Update Services For SAP Solutions — versions 0:4.18.0-305.125.1.el8_4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2024:0723 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0725 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1188 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1250 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1306 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1367 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1382 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1404 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:2006 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:2008 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-7192?
- CVE-2023-7192 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2024-01-02.
- How severe is CVE-2023-7192?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-7192 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.