CVE-2025-38282Improper Update of Reference Count in Linux

Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 92.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 10
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: kernfs: Relax constraint in draining guard The active reference lifecycle provides the break/unbreak mechanism but the active reference is not truly active after unbreak -- callers don't use it afterwards but it's important for proper pairing of kn->active counting. Assuming this mechanism is in place, the WARN check in kernfs_should_drain_open_files() is too sensitive -- it may transiently catch those (rightful) callers betwe

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

NVDlinux/linux_kernel6.16.1.142+3
Debianlinux/linux_kernel< 6.1.147-1+2
Ubuntulinux/linux_kernel< 6.8.0-100.100
CVEListV5linux/linuxbdb2fd7fc56e197a63c0b0e7e07d25d5e20e7c722d6a67c2b3b87808a347dc1047b520a9dd177a4f+5

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

26
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

24
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-38282 — Improper Update of Reference Count | cvebase