The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.
Published 2017-03-29 20:59:00
Updated 2023-02-14 18:32:40
Source MITRE
View at NVD,
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2017-7308

Top countries where our scanners detected CVE-2017-7308
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2017-7308 28,420
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2017-7308

Probability of exploitation activity in the next 30 days EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2017-7308

  • AF_PACKET packet_set_ring Privilege Escalation
    Disclosure Date: 2017-03-29
    First seen: 2020-04-26
    This module exploits a heap-out-of-bounds write in the packet_set_ring function in net/packet/af_packet.c (AF_PACKET) in the Linux kernel to execute code as root (CVE-2017-7308). The bug was initially introduced in 2011 and patched in version 4.10.6, potenti

CVSS scores for CVE-2017-7308

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

CWE ids for CVE-2017-7308

  • When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
    Assigned by: (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: (Primary)

References for CVE-2017-7308

Products affected by CVE-2017-7308

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