CVE-2011-2525 Information
Share on: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.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Reference
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=53b0f08042f04813cd1a7473dacd3edfacb28eb3 http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805 http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35 http://openwall.com/lists/oss-security/2011/07/12/1 http://rhn.redhat.com/errata/RHSA-2011-1065.html http://rhn.redhat.com/errata/RHSA-2011-1163.html https://bugzilla.redhat.com/show_bug.cgi?id=720552
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
7.8