Medium severity5.5NVD Advisory· Published May 17, 2012· Updated Apr 29, 2026
CVE-2011-4112
CVE-2011-4112
Description
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.
Affected products
7Patches
1550fd08c2cebhttps://github.com/torvalds/linuxvia nvd-ref
Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
5- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1nvdMailing ListPatchVendor Advisory
- www.openwall.com/lists/oss-security/2011/11/21/4nvdMailing ListPatchThird Party Advisory
- github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162nvdPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingPatchThird Party Advisory
- downloads.avaya.com/css/P8/documents/100156038nvdThird Party Advisory
News mentions
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