VULNERABILITY INTELLIGENCE

CVE-2011-2525

CVSS score7.8 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2012-02-02
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references