Resource exhaustion in Linux Linux_kernel
CVE-2011-2189
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…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.076 (92.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Canonical Ubuntu_linux — versions 10.04, 10.10, 11.04
- Debian Debian_linux — versions 5.0, 6.0, 7.0
- Redhat Enterprise_linux — versions 6.0
- Redhat Enterprise_mrg — versions 2.0
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- [oss-security] 20110606 Re: CVE Request -- vsftpd -- Do not create network namespace per connection (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- [oss-security] 20110606 Re: CVE Request -- vsftpd -- Do not create network namespace per connection (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
- DSA-2305 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Mailing List, Third Party Advisory)
- [git-commits-head] 20091208 net: Automatically allocate per namespace data. (mailing-list, x_refsource_MLIST, Broken Link)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2011-2189?
- CVE-2011-2189 is a high-severity vulnerability in Linux Linux_kernel, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2011-10-10.
- How severe is CVE-2011-2189?
- High severity. CVSS v3 base score is 7.5 out of 10.