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CVE-2023-7192

Good to know:

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Date: January 2, 2024

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.

Language: C

Severity Score

Related Resources (16)

https://bugzilla.redhat.com/show_bug.cgi?id=2256279
https://access.redhat.com/errata/RHSA-2024:1250
https://access.redhat.com/errata/RHSA-2024:1382
https://access.redhat.com/security/cve/CVE-2023-7192
https://access.redhat.com/errata/RHSA-2024:0723
https://access.redhat.com/errata/RHSA-2024:1306
https://nvd.nist.gov/vuln/detail/CVE-2023-7192
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83
https://access.redhat.com/errata/RHSA-2024:0725
https://access.redhat.com/errata/RHSA-2024:1188
https://access.redhat.com/errata/RHSA-2024:1367
https://access.redhat.com/errata/RHSA-2024:2006
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-7192
https://access.redhat.com/errata/RHSA-2024:1404
https://access.redhat.com/errata/RHSA-2024:2008
https://www.mend.io/vulnerability-database/CVE-2023-7192

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Transmission of Private Resources into a New Sphere ('Resource Leak')

CWE-402

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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