Back to Database
Status published
Unknown
CVE-2025-21761
openvswitch: use RCU protection in ovs_vport_cmd_fill_info()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovs_vport_cmd_fill_info() ovs_vport_cmd_fill_info() can be called without RTNL or RCU. Use RCU protection and dev_net_rcu() to avoid potential UAF.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-21761
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/e85a25d1a9985645e796039e843d1de581d2de1e
- https://git.kernel.org/stable/c/a8816b3f1f151373fd30f1996f00480126c8bb11
- https://git.kernel.org/stable/c/a884f57600e463f69d7b279c4598b865260b62a1
- https://git.kernel.org/stable/c/7e01abc34e87abd091e619161a20f54ed4e3e2da
- https://git.kernel.org/stable/c/8ec57509c36c8b9a23e50b7858dda0c520a2d074
- https://git.kernel.org/stable/c/a849a10de5e04d798f7f286a2f1ca174719a617a
- https://git.kernel.org/stable/c/5828937742af74666192835d657095d95c53dbd0
- https://git.kernel.org/stable/c/90b2f49a502fa71090d9f4fe29a2f51fe5dff76d
More from Linux
View All →CVE-2025-71315
drm/vkms: Convert to DRM's vblank timer
Unknown
0
CVE-2025-71314
drm/panthor: Recover from panthor_gpu_flush_caches() failures
Unknown
0
CVE-2025-71313
PCI: endpoint: Add missing NULL check for alloc_workqueue()
Unknown
0
CVE-2025-71312
fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()
Unknown
0
CVE-2025-71311
fs/ntfs3: Initialize new folios before use
Unknown
0
Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
9354d452034273a50a4fd703bea31e5d6b1fc20b, 4.15, 0, 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14
Timeline
Official Publish:
February 27th, 2025
Last Modified:
May 12th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.