CVE-2023-39192

Medium

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure.

SeverityMedium
CVSS6.7
Exploit probability—
ProductLinux Kernel
PublishedOct 9, 2023
First seenOct 9, 2023

How to fix

Update
  • linux linux_kernel6.6 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 6.66.6
redhat enterprise_linux8.0—
fedoraproject fedora38—

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CVE-2023-39192 · Linux Kernel · Dark Radar