PT-2025-51704 · Linux+3 · Linux Kernel+3

CVE-2025-68300

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Published

2025-11-22

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Updated

2026-04-06

CVSS v2.0

4.6

Medium

VectorAV:L/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A reference leak exists in the grab requested mnt ns function within the fs/namespace component of the Linux kernel. The lookup mnt ns function already acquires a reference to mnt ns, making the additional reference taken by grab requested mnt ns unnecessary, resulting in a memory leak.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Release of Resource after Effective Lifetime

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Weakness Enumeration

Related Identifiers

BDU:2026-10621
CVE-2025-68300
USN-8094-1
USN-8094-2
USN-8094-3
USN-8094-4
USN-8094-5
USN-8152-1

Affected Products

Debian
Linuxmint
Linux Kernel
Ubuntu