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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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.
Source: MITRE View Analysis Description
Source: MITRE
Base Score: 4.9 MEDIUM Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend) Impact Subscore: 6.9 Exploitability Subscore: 3.9
Access Vector (AV): Local Access Complexity (AC): Low Authentication (AU): None Confidentiality (C): None Integrity (I): None Availability (A): Complete Additional Information: Allows disruption of service
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Vulnerability Type (View All)
http://www.debian.org/security/2014/dsa-2949 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2251-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2252-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2259-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2261-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2262-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2263-1 [No Types Assigned]
http://www.ubuntu.com/usn/USN-2264-1 [No Types Assigned]
http://www.securitytracker.com/id/1038201 [No Types Assigned]
https://source.android.com/security/bulletin/2017-04-01 [No Types Assigned]
http://linux.oracle.com/errata/ELSA-2014-3052.html [No Types Assigned]
http://secunia.com/advisories/59311 [No Types Assigned]
http://secunia.com/advisories/60613 [No Types Assigned]