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CVE-2011-2525

Date: February 1, 2012

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.

Language: C

Severity Score

Related Resources (11)

http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805
https://access.redhat.com/security/cve/CVE-2011-2525
http://rhn.redhat.com/errata/RHSA-2011-1163.html
https://bugzilla.redhat.com/show_bug.cgi?id=720552
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3
http://openwall.com/lists/oss-security/2011/07/12/1
https://nvd.nist.gov/vuln/detail/CVE-2011-2525
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2525
http://rhn.redhat.com/errata/RHSA-2011-1065.html
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35
https://www.mend.io/vulnerability-database/CVE-2011-2525

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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