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CVE-2023-7192

Kernel: refcount leak in ctnetlink_create_conntrack()

Published: Jan 2, 2024Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-401
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.3%
Top 78.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-401

Affected Products

linux kernellinux
On-premOS
Operating Systems
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat
On-premOS
Operating Systems / linux-distro
linuxoss-projectOperating Systemsaka the linux kernel
redhatcommercialUSOperating Systemsaka red hat
red hatcommercialUSOperating Systemsaka red hat
and 14 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

https://access.redhat.com/errata/RHSA-2024:0723
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:0725
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:1188
access.redhat.com
and 21 more references View all →

Timeline

Published
Jan 2, 2024
Last Updated
Nov 21, 2024

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