CVE-2011-2525

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=720552 issue tracking third party advisory patch
http://rhn.redhat.com/errata/RHSA-2011-1065.html third party advisory vendor advisory
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805 mailing list broken link
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35 broken link
http://rhn.redhat.com/errata/RHSA-2011-1163.html third party advisory vendor advisory
http://openwall.com/lists/oss-security/2011/07/12/1 mailing list third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3

Frequently Asked Questions

What is the severity of CVE-2011-2525?
CVE-2011-2525 has been scored as a high severity vulnerability.
How to fix CVE-2011-2525?
To fix CVE-2011-2525, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2525 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2525 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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