The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through...
Vulnerability Description
The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system.
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://usn.ubuntu.com/3619-2/
- https://www.debian.org/security/2018/dsa-4082
- https://lkml.org/lkml/2017/12/5/950
- http://www.securityfocus.com/bid/102122
- https://access.redhat.com/errata/RHSA-2018:1062
- https://source.android.com/security/bulletin/pixel/2018-04-01
- https://access.redhat.com/errata/RHSA-2018:0654
- https://access.redhat.com/errata/RHSA-2018:0676
- https://usn.ubuntu.com/3653-2/
- https://usn.ubuntu.com/3655-1/
- https://access.redhat.com/errata/RHSA-2018:1170
- https://access.redhat.com/errata/RHSA-2018:1130
- https://www.debian.org/security/2017/dsa-4073
- https://usn.ubuntu.com/3655-2/
- https://usn.ubuntu.com/3653-1/
- https://usn.ubuntu.com/3657-1/
- https://usn.ubuntu.com/3619-1/
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.