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.
Metrics
CVSS 3.1 7.0/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32c231164b762dddefa13af5a0101032c70b50efIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2017-03-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/101783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037965Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037968Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2437Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2444Third Party Advisory
- https://github.com/torvalds/linux/commit/32c231164b762dddefa13af5a0101032c70b50efIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32c231164b762dddefa13af5a0101032c70b50efIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2017-03-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/101783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037965Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037968Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2437Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2444Third Party Advisory
- https://github.com/torvalds/linux/commit/32c231164b762dddefa13af5a0101032c70b50efIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Mar 7, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified