Description
The l2tp_ip_recvmsg function in net/l2tp/l2tp_ip.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
Metrics
CVSS 2.0 4.9/10
AV:L/AC:L/Au:N/C:C/I:N/A:NWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Jan 6, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified