CVE-2026-72053

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Source
https://cve.org/CVERecord?id=CVE-2026-72053
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72053.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-72053
Downstream
Published
2026-08-15T05:52:09.924Z
Modified
2026-08-24T03:47:33.791174806Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
net: ipip: require CAP_NET_ADMIN in the device netns for changelink
Details

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

net: ipip: require CAPNETADMIN in the device netns for changelink

ipipchangelink() operates on at most two netns, devnet(dev) and the tunnel link netns t->net. They differ once the device is created in or moved to a netns other than the one the request runs in. The rtnl changelink path checks CAPNETADMIN only against dev_net(dev), so a caller privileged there but not in t->net can rewrite a tunnel that lives in t->net.

Gate ipipchangelink() on rtnldevlinknet_capable() at its top, before any attribute is parsed.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72053.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
6c742e714d8c282fd8f8b22d3e20b5141738c1ee
Fixed
a7d2642a50282322bc33f34ee7305f2b793df494
Fixed
068ad9b85f681755f751ebab82ae98146cec163d
Fixed
91571643e554ae89a91942380d5f5361fb7060a2
Fixed
983cc4aa7e6f633b34c3ee743771252d7afa9a90
Fixed
26544021d5c49cc6ae8a968ccb5033e6363854a4
Fixed
68cadc3698c7de88966d306d12ec9c6217da228a
Fixed
d49edcc65e0a37cc9b386a94415c5d6670ca8b71
Fixed
8211a26324667980a463c069469a818e71207e02

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72053.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.12.0
Fixed
5.10.266
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.217
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.178
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.145
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.97
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.40
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72053.json"