CVE-2025-39775 describes a vulnerability in the Linux kernel's memory management, specifically within the mm/mremap component. This flaw can trigger a kernel warning when userfaultd is registered on a Virtual Memory Area (VMA) and a subsequent mremap() operation fails due to a page table allocation error. The vulnerability affects Linux kernel versions. The CVSS score of 5.5 (Medium) indicates a local attack vector with low attack complexity, requiring low privileges. The primary impact is a high availability impact, as it can lead to a kernel warning, but no confidentiality or integrity impact is noted. There is currently no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public awareness or concern at this time.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.12.11, < 6.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13.1, < 6.16.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.13:-:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* |
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
No social media mentions found for this CVE.
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.