Bug 2422804 (CVE-2025-68300) - CVE-2025-68300 kernel: fs/namespace: fix reference leak in grab_requested_mnt_ns
Summary: CVE-2025-68300 kernel: fs/namespace: fix reference leak in grab_requested_mnt_ns
Keywords:
Status: NEW
Alias: CVE-2025-68300
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-16 16:02 UTC by OSIDB Bzimport
Modified: 2025-12-16 19:28 UTC (History)
0 users

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Description OSIDB Bzimport 2025-12-16 16:02:52 UTC 
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.
Comment 1 Alexander B 2025-12-16 19:26:41 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025121643-CVE-2025-68300-ec22@gregkh/T
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