CVE-2025-38162 is a vulnerability in the Linux kernel's netfilter nft_set_pipapo component, specifically affecting the lookup table allocation. It stems from an integer overflow when calculating the lookup table size, potentially leading to denial of service. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity and a high impact on availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. However, the vulnerability has garnered some community discussion and media coverage, as evidenced by its mentions and articles.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.6, < 6.12.34CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13, < 6.15.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Linux kernel (Azure) vulnerabilities
Mar 25, 2026Linux kernel (Azure FIPS) vulnerabilities
Mar 4, 2026Linux kernel (Azure) vulnerabilities
Mar 4, 2026Linux kernel (Xilinx) vulnerabilities
Feb 24, 2026Linux kernel (IBM) vulnerabilities
Feb 24, 2026netfilter: nft_set_pipapo: prevent overflow in lookup table allocation
Jul 8, 2025kernel: Linux kernel: Denial of Service in netfilter due to integer overflow
Jul 3, 2025