UBUNTU-CVE-2017-16939
The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.
02 / AFFECTED SOFTWARE
Affected packages
123 explicit affected versions
2 explicit affected versions
42 explicit affected versions
64 explicit affected versions
23 explicit affected versions
5 explicit affected versions
1 explicit affected versions
5 explicit affected versions
26 explicit affected versions
5 explicit affected versions
1 explicit affected versions
40 explicit affected versions
37 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2
- http://seclists.org/fulldisclosure/2017/Nov/40
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
- https://blogs.securiteam.com/index.php/archives/3535
- https://bugzilla.suse.com/show_bug.cgi?id=1069702
- https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2
- https://ubuntu.com/security/CVE-2017-16939
- https://ubuntu.com/security/notices/USN-3507-1
- https://ubuntu.com/security/notices/USN-3507-2
- https://ubuntu.com/security/notices/USN-3508-1
- https://ubuntu.com/security/notices/USN-3508-2
- https://ubuntu.com/security/notices/USN-3509-1
- https://ubuntu.com/security/notices/USN-3509-2
- https://ubuntu.com/security/notices/USN-3510-1
- https://ubuntu.com/security/notices/USN-3510-2
- https://ubuntu.com/security/notices/USN-3511-1
- https://www.cve.org/CVERecord?id=CVE-2017-16939