CVE-2025-21761 (GCVE-0-2025-21761)

Vulnerability from cvelistv5 – Published: 2025-02-27 02:18 – Updated: 2026-10-15 01:04
VLAI
Title
openvswitch: use RCU protection in ovs_vport_cmd_fill_info()
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-27 17:57 UTC
CWE
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6971 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < e85a25d1a9985645e796039e843d1de581d2de1e (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < a8816b3f1f151373fd30f1996f00480126c8bb11 (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < a884f57600e463f69d7b279c4598b865260b62a1 (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < 7e01abc34e87abd091e619161a20f54ed4e3e2da (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < 8ec57509c36c8b9a23e50b7858dda0c520a2d074 (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < a849a10de5e04d798f7f286a2f1ca174719a617a (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < 5828937742af74666192835d657095d95c53dbd0 (git)
Affected: 9354d452034273a50a4fd703bea31e5d6b1fc20b , < 90b2f49a502fa71090d9f4fe29a2f51fe5dff76d (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 5.4.291 , ≤ 5.4.* (semver)
Unaffected: 5.10.235 , ≤ 5.10.* (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.129 , ≤ 6.1.* (semver)
Unaffected: 6.6.79 , ≤ 6.6.* (semver)
Unaffected: 6.12.16 , ≤ 6.12.* (semver)
Unaffected: 6.13.4 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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            },
            {
              "url": "https://git.kernel.org/stable/c/7e01abc34e87abd091e619161a20f54ed4e3e2da"
            },
            {
              "url": "https://git.kernel.org/stable/c/8ec57509c36c8b9a23e50b7858dda0c520a2d074"
            },
            {
              "url": "https://git.kernel.org/stable/c/a849a10de5e04d798f7f286a2f1ca174719a617a"
            },
            {
              "url": "https://git.kernel.org/stable/c/5828937742af74666192835d657095d95c53dbd0"
            },
            {
              "url": "https://git.kernel.org/stable/c/90b2f49a502fa71090d9f4fe29a2f51fe5dff76d"
            }
          ],
          "title": "openvswitch: use RCU protection in ovs_vport_cmd_fill_info()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2025-21761",
        "datePublished": "2025-02-27T02:18:14.054Z",
        "dateReserved": "2024-12-29T08:45:45.761Z",
        "dateUpdated": "2026-08-05T11:54:14.184Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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