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—
Product
Linux Kernel
PublishedOct 9, 2023
First seenOct 9, 2023
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- linux linux_kernel6.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.6 | 6.6 |
| redhat enterprise_linux | 8.0 | — |
| fedoraproject fedora | 38 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.