CVE-2025-68300Missing Release of Resource after Effective Lifetime in Linux

Severity
7.2HIGHOSV
No vector
EPSS
0.0%
top 90.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 16
Latest updateApr 6

Description

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grab_requested_mnt_ns lookup_mnt_ns() already takes a reference on mnt_ns. grab_requested_mnt_ns() doesn't need to take an extra reference.

Affected Packages5 packages

Linuxlinux/linux_kernel6.12.596.12.61+1
Debianlinux/linux_kernel< 6.17.11-1
Ubuntulinux/linux_kernel< 6.17.0-19.19
CVEListV5linux/linuxba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5+4
debiandebian/linux< linux 6.17.11-1 (forky)

🔴Vulnerability Details

9
OSV
linux-oem-6.17 vulnerabilities2026-04-06
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-azure, linux-azure-6.17 vulnerabilities2026-03-25
OSV
linux-realtime-6.17 vulnerabilities2026-03-23
OSV
linux-gcp-6.17, linux-realtime vulnerabilities2026-03-17

📋Vendor Advisories

8
Ubuntu
Linux kernel (OEM) vulnerabilities2026-04-06
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Real-time) vulnerabilities2026-03-23
Ubuntu
Linux kernel vulnerabilities2026-03-17

🕵️Threat Intelligence

1
Wiz
CVE-2025-68300 Impact, Exploitability, and Mitigation Steps | Wiz