CVE-2025-68300

Unknown

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.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedDec 16, 2025
First seenDec 16, 2025

How to fix

Update
  • Linux Linux4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5, fe256e59b8e7f126b2464ee32bd9fee131f0a883, 7b6dcd9bfd869eee7693e45b1817dac8c56e5f86, 6.12.61, 6.17.11 or later

Affected products

ProductAffected versionsFixed in
Linux Linuxba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf ≤ v < 4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5, 8ff97ade912dcfc5ac1783c4b8d615aacd26fd17 ≤ v < fe256e59b8e7f126b2464ee32bd9fee131f0a883, 78f0e33cd6c939a555aa80dbed2fec6b333a7660 ≤ v < 7b6dcd9bfd869eee7693e45b1817dac8c56e5f86, 6.12.59 ≤ v < 6.12.61, 6.17.9 ≤ v < 6.17.114a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5, fe256e59b8e7f126b2464ee32bd9fee131f0a883, 7b6dcd9bfd869eee7693e45b1817dac8c56e5f86, 6.12.61, 6.17.11

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