CVE-2011-2189
7.5
HIGH
CVSS 3.1
EPSS 7.6%
Description
net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace per connection, as demonstrated by vsftpd.
How to fix CVE-2011-2189
To remediate CVE-2011-2189, upgrade the affected package to a fixed version below.
- Debian/vsftpd—upgrade to 2.3.4-1 or later
Is CVE-2011-2189 being exploited?
Moderate — EPSS is 7.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.3.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |