CVE-2011-2525

7.8 HIGH
Published: February 02, 2012 Modified: April 29, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://openwall.com/lists/oss-security/2011/07/12/1
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1065.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1163.html
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720552
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://openwall.com/lists/oss-security/2011/07/12/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1065.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1163.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720552
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.1%
30th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

redhat linux