High
openvswitch: use RCU protection in ovs_vport_cmd_fill_info()
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.
Announced Group revision 1
Original source ↗CVE-2025-21761
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-21761
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "e85a25d1a9985645e796039e843d1de581d2de1e",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "a8816b3f1f151373fd30f1996f00480126c8bb11",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "a884f57600e463f69d7b279c4598b865260b62a1",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "7e01abc34e87abd091e619161a20f54ed4e3e2da",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "8ec57509c36c8b9a23e50b7858dda0c520a2d074",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "a849a10de5e04d798f7f286a2f1ca174719a617a",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "5828937742af74666192835d657095d95c53dbd0",
"versionType": "git"
},
{
"status": "affected",
"version": "9354d452034273a50a4fd703bea31e5d6b1fc20b",
"lessThan": "90b2f49a502fa71090d9f4fe29a2f51fe5dff76d",
"versionType": "git"
}
],
"programFiles": [
"net/openvswitch/datapath.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.291",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.235",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.179",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.129",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.79",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.16",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.13.4",
"versionType": "semver",
"lessThanOrEqual": "6.13.*"
},
{
"status": "unaffected",
"version": "6.14",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/openvswitch/datapath.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-21761
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #26935 · Revision 1
- Added to Heist Feed
- Publisher date