CVE-2025-38465 is a vulnerability in the Linux kernel's netlink component, specifically affecting Debian and Linux kernel versions. The flaw involves an integer wraparound issue in sk->sk_rmem_alloc, allowing a single socket to consume excessive memory and potentially lead to an Out-Of-Memory (OOM) condition. With a CVSS score of 5.5 (Medium), it has a local attack vector, low attack complexity, and high availability impact, but no confidentiality or integrity impact. There is currently no evidence of active exploitation, nor are there public exploit codes available in Metasploit, Nuclei, or ExploitDB, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.13, < 5.4.296CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.240CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.189CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.146CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.99CPE 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
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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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Jul 25, 2025netlink: Fix wraparounds of sk->sk_rmem_alloc.
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