Race condition in the netlink_dump function in net/netlink/af_netlink.c in the...
Vulnerability Description
Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated.
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
- http://www.securityfocus.com/bid/94653
- http://www.securitytracker.com/id/1037968
- http://www.openwall.com/lists/oss-security/2016/12/03/4
- https://access.redhat.com/errata/RHSA-2017:2669
- https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520
- http://lists.openwall.net/netdev/2016/05/15/69
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842
- https://source.android.com/security/bulletin/2017-03-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
- https://bugzilla.redhat.com/show_bug.cgi?id=1401502
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.