The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=720552
- http://rhn.redhat.com/errata/RHSA-2011-1065.html
- http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805
- http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35
- http://rhn.redhat.com/errata/RHSA-2011-1163.html
- http://openwall.com/lists/oss-security/2011/07/12/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.