CVE-2025-39716 is a vulnerability in the Linux kernel's parisc architecture, specifically affecting how __get_user() handles user read access. It allows user code to bypass read protection and access restricted memory via system calls, impacting Debian and other Linux distributions. With a CVSS score of 5.5 (Medium), it presents a local attack vector with low complexity, potentially leading to a high impact on availability. There is currently no public exploit code available, nor is it listed on the CISA KEV catalog, indicating no active exploitation. However, it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.13, < 6.1.149CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.103CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.12.44CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13, < 6.16.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
2.6.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:* |
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, 2026parisc: Revise __get_user() to probe user read access
Sep 9, 2025kernel: parisc: Revise __get_user() to probe user read access
Sep 5, 2025