CVE-2015-8953 describes a denial-of-service vulnerability in the Linux kernel's overlayfs component, specifically affecting versions prior to 4.2.6. This flaw, located in fs/overlayfs/copy_up.c, allows a local attacker to trigger a dentry reference leak by performing filesystem operations on large files within a lower overlayfs layer. With a CVSS v3 score of 5.5 (Medium), the vulnerability requires local access and has a low attack complexity, leading to a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.2.5CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
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.