CVE-2025-39723 is a critical vulnerability in the Linux kernel's netfs unbuffered write error handling, affecting the linux_kernel product. This flaw can lead to a kernel NULL pointer dereference and system crash (oops) due to incorrect handling of failed write operations, specifically when all subrequests in an unbuffered write stream fail. Rated with a CVSS score of 7.8 (High), the vulnerability has a local attack vector with low attack complexity, potentially leading to high impact on confidentiality, integrity, and availability (CWE-787). There is currently no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.10, < 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:*:*:*:*:*:*:*:* | ||
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:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.