Bug 2348610 (CVE-2025-21769) - CVE-2025-21769 kernel: ptp: vmclock: Add .owner to vmclock_miscdev_fops
Summary: CVE-2025-21769 kernel: ptp: vmclock: Add .owner to vmclock_miscdev_fops
Keywords:
Status: NEW
Alias: CVE-2025-21769
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-27 03:05 UTC by OSIDB Bzimport
Modified: 2025-02-27 20:15 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2025-02-27 03:05:01 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ptp: vmclock: Add .owner to vmclock_miscdev_fops

Without the .owner field, the module can be unloaded while /dev/vmclock0
is open, leading to an oops.
Comment 1 Michal Findra 2025-02-27 19:36:09 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022605-CVE-2025-21769-c349@gregkh/T
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