CVE-2026-74464

Source
https://cve.org/CVERecord?id=CVE-2026-74464
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74464.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-74464
Downstream
Published
2026-08-15T12:27:03.786Z
Modified
2026-08-18T03:31:20.102303218Z
Summary
net: openvswitch: fix skb leak on flow key update failure during ct
Details

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

net: openvswitch: fix skb leak on flow key update failure during ct

ovsctexecute() always steals or frees the skb on failure while ovsflowkey_update() does not. So, if it fails and we return right away, the skb ends up leaked.

Fix that by breaking instead and letting the common error handling code at the bottom of the loop to free the skb properly.

This is a very unlikely scenario as it requires the packet to become unparseable by applying a set of actions on a previously parseable skb, but should be fixed nevertheless.

Reported by Sashiko.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74464.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
ec0d043d05e6e3c0c2fac5de922c800c027c6386
Fixed
736e972f3f8a304158345223ac6e816166a467ce
Fixed
e84dfaac50aab45ad8c670da43e3aa1f97bd2a41
Fixed
e0ba8eaef2a0d02a7a485e6a7157e47272b65cea
Fixed
393f3c72600ab6721d732a0ab245bc896c5b28fc
Fixed
bc62e843bc48f933da765ce47079fd992e535794

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74464.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.3.0
Fixed
6.6.151
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.103
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.44
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.8

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74464.json"