Vulnerability in Avaya 9608
CVE-2011-4112
The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162 (Patch, Third Party Advisory)
- downloads.avaya.com/css/P8/documents/100156038 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2011/11/21/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- git.kernel.org/
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 (Patch, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2011-4112?
- CVE-2011-4112 is a medium-severity vulnerability in Avaya 9608. CVSS score: 5.5/10. Published 2012-05-17.
- How severe is CVE-2011-4112?
- Medium severity. CVSS v3 base score is 5.5 out of 10.