CVE-2025-21761

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < e85a25d1a9985645e796039e843d1de581d2de1eaffected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < a8816b3f1f151373fd30f1996f00480126c8bb11affected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < a884f57600e463f69d7b279c4598b865260b62a1affected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < 7e01abc34e87abd091e619161a20f54ed4e3e2daaffected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < 8ec57509c36c8b9a23e50b7858dda0c520a2d074affected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < a849a10de5e04d798f7f286a2f1ca174719a617aaffected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < 5828937742af74666192835d657095d95c53dbd0affected
LinuxLinux9354d452034273a50a4fd703bea31e5d6b1fc20b < 90b2f49a502fa71090d9f4fe29a2f51fe5dff76daffected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux5.4.291 <= 5.4.*unaffected
LinuxLinux5.10.235 <= 5.10.*unaffected
LinuxLinux5.15.179 <= 5.15.*unaffected
LinuxLinux6.1.129 <= 6.1.*unaffected
LinuxLinux6.6.79 <= 6.6.*unaffected
LinuxLinux6.12.16 <= 6.12.*unaffected
LinuxLinux6.13.4 <= 6.13.*unaffected
LinuxLinux6.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

CVE Program Container

Additional References

Additional References

References