PT-2026-37416 · Linux · Linux Kernel

Published 2026-05-06 · Updated 2026-05-06 · CVE-2026-43106

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the cachefiles cull() function where an incorrect dentry reference count is handled. Specifically, the function calls cachefiles bury object() without providing the required second reference to the rep dentry, leading to a lost reference.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-43106

Affected Products

Linux Kernel

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-43106 · Security Note
• https://git.kernel.org/stable/c/1635c2acdde86c4f555b627aec873c8677c421ed · Note
• https://t.me/CVEtracker/52829 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2052012987720855937 · Twitter Post
• https://git.kernel.org/stable/c/6577df7dc7a7de128442b6192c7a32195c923480 · Note