CVE-2025-68300
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 versions
Linux kernel versions
6.12.59,
6.17.9
and later are affected. Fixed in
6.12.61,
6.17.11
and their respective stable series.
References
3 totalFrequently asked questions
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What is CVE-2025-68300?
CVE-2025-68300 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12.59 onward and has been patched in 6.12.61 and 6.17.11. CVE-2025-68300 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68300?
Yes. CVE-2025-68300 has been patched. Fixed versions include 6.12.61 and 6.17.11. If you are running Linux kernel 6.12.59 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68300 actively exploited?
No. CVE-2025-68300 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.