Race condition in the L2TPv3 IP Encapsulation feature in the...
Vulnerability Description
Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c and net/l2tp/l2tp_ip6.c.
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://github.com/torvalds/linux/commit/32c231164b762dddefa13af5a0101032c70b50ef
- http://www.securitytracker.com/id/1037965
- https://access.redhat.com/errata/RHSA-2017:2437
- http://www.securitytracker.com/id/1037968
- https://access.redhat.com/errata/RHSA-2017:2444
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32c231164b762dddefa13af5a0101032c70b50ef
- http://source.android.com/security/bulletin/2017-03-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14
- http://www.securityfocus.com/bid/101783
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.