CVE-2017-1000111 (GCVE-0-2017-1000111)

Vulnerability from cvelistv5 – Published: 2017-10-04 01:00 – Updated: 2024-08-05 21:53
VLAI?
Summary
Linux kernel: heap out-of-bounds in AF_PACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes socket state may race with safety checks in packet_set_ring. Previously with PACKET_VERSION. This time with PACKET_RESERVE. The solution is similar: lock the socket for the update. This issue may be exploitable, we did not investigate further. As this issue affects PF_PACKET sockets, it requires CAP_NET_RAW in the process namespace. But note that with user namespaces enabled, any process can create a namespace in which it has CAP_NET_RAW.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
https://access.redhat.com/errata/RHSA-2017:3200 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/100267 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2017:2918 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2931 vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2017/dsa-3981 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/security/cve/cve-2017-1000111 x_refsource_CONFIRM
http://www.securitytracker.com/id/1039132 vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2017:2930 vendor-advisoryx_refsource_REDHAT
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