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MEDIUM · 4.4

CVE-2023-42756

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong...

Vulnerability Description

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinuxLinux Kernel< 6.6
RedhatEnterprise Linux9.0
DebianDebian Linux10.0
FedoraprojectFedora37

Related Weaknesses (CWE)

CWE-362

References

FAQ

What is CVE-2023-42756?

CVE-2023-42756 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong...

How severe is CVE-2023-42756?

CVE-2023-42756 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-42756?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Debian Debian Linux, Fedoraproject Fedora.