CVE-2025-21761

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-21761
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21761.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21761
Downstream
Related
Published
2025-02-27T02:18:14.054Z
Modified
2025-11-27T02:33:27.882027Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
openvswitch: use RCU protection in ovs_vport_cmd_fill_info()
Details

In the Linux kernel, the following vulnerability has been resolved:

openvswitch: use RCU protection in ovsvportcmdfillinfo()

ovsvportcmdfillinfo() can be called without RTNL or RCU.

Use RCU protection and devnetrcu() to avoid potential UAF.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/blob/cc431b3424123d84bcd7afd4de150b33f117a8ef/cves/2025/21xxx/CVE-2025-21761.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
e85a25d1a9985645e796039e843d1de581d2de1e
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
a8816b3f1f151373fd30f1996f00480126c8bb11
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
a884f57600e463f69d7b279c4598b865260b62a1
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
7e01abc34e87abd091e619161a20f54ed4e3e2da
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
8ec57509c36c8b9a23e50b7858dda0c520a2d074
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
a849a10de5e04d798f7f286a2f1ca174719a617a
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
5828937742af74666192835d657095d95c53dbd0
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9354d452034273a50a4fd703bea31e5d6b1fc20b
Fixed
90b2f49a502fa71090d9f4fe29a2f51fe5dff76d

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
5.4.291
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.235
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.179
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.129
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.79
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.16
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.4