CVE-2011-4112
MEDIUM · CVSS 5.5EPSS 0.5%EU EUVD
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.
Key facts
- CVSS score
- 5.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- EPSS score
- 0.5% (41th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4060)
- Published
- May 17, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4060 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- avaya / 9608
- avaya / 9608 firmware
- avaya / 9608g
- avaya / 9608g firmware
- avaya / 9611g
- avaya / 9611g firmware
- avaya / 9621g
- avaya / 9621g firmware
- avaya / 9641g
- avaya / 9641g firmware
- avaya / 9641gs
- avaya / 9641gs firmware
- linux / linux kernel
References
- http://downloads.avaya.com/css/P8/documents/100156038(Third Party Advisory)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1(Mailing List, Patch, Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2011/11/21/4(Mailing List, Patch, Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=751006(Exploit, Issue Tracking, Patch, Third Party Advisory)
- https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162(Patch, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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