The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.
https://github.com/torvalds/linux/commit/20e1db19db5d6b9e4e83021595eab0dc8f107bef
https://bugzilla.redhat.com/show_bug.cgi?id=848949
http://www.openwall.com/lists/oss-security/2015/02/22/10
http://marc.info/?l=linux-netdev&m=134522422925986&w=2
http://marc.info/?l=linux-netdev&m=134522422125983&w=2
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e1db19db5d6b9e4e83021595eab0dc8f107bef
Source: Mitre, NVD
Published: 2016-05-02
Updated: 2025-04-12
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00069