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CVE-2014-3145
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MITRE ATT&CK
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Command and Control
Credential Access
Defense Evasion
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Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
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Description
The BPF_S_ANC_NLATTR_NEST extension implementation in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 uses the reverse order in a certain subtraction, which allows local users to cause a denial of service (over-read and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr_nest function before the vulnerability was announced.
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