Description
The vsock_stream_sendmsg function in net/vmw_vsock/af_vsock.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.
References (4)
Core 4
Core References
Vendor Advisory mailing-list
x_refsource_mlist
https://lkml.org/lkml/2013/4/14/107
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/04/14/3
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5e0d0f607a7a029c6563a0470d88255c89a8d11
Vendor Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11
Scores
EPSS
0.0007
EPSS Percentile
21.9%
Details
CWE
CWE-200
Status
published
Products (2)
linux/linux_kernel
3.9 rc1 (5 CPE variants)
linux/linux_kernel
< 3.9
Published
Apr 22, 2013
Tracked Since
Feb 18, 2026