Vulnerability Monitor

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CVE-2013-3237

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.

Published

2013-04-22T11:41:01.590

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:N/A:N

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 3.9	Yes
Operating System	linux	linux_kernel	3.9	Yes
Operating System	linux	linux_kernel	3.9	Yes
Operating System	linux	linux_kernel	3.9	Yes
Operating System	linux	linux_kernel	3.9	Yes
Operating System	linux	linux_kernel	3.9	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5e0d0f607a7a029c6563a0470d88255c89a8d11 ([email protected])
http://www.openwall.com/lists/oss-security/2013/04/14/3 ([email protected])
https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11 Vendor Advisory ([email protected])
https://lkml.org/lkml/2013/4/14/107 Vendor Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5e0d0f607a7a029c6563a0470d88255c89a8d11 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/04/14/3 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lkml.org/lkml/2013/4/14/107 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)