Vulnerability Monitor

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CVE-2011-2525

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.

Published

2012-02-02T04:09:47.737

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.35	Yes
Operating System	redhat	enterprise_linux	4.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3 ([email protected])
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805 Broken Link ([email protected])
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35 Broken Link ([email protected])
http://openwall.com/lists/oss-security/2011/07/12/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2011-1065.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2011-1163.html Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=720552 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3 (af854a3a-2127-422b-91ae-364da2661108)
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/07/12/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2011-1065.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2011-1163.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=720552 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)