Kernel: VSOCK: vmci -possible info leak in vmci_transport_dgram_dequeue
Published Apr 22, 2013
4.9
MEDIUMCVSS 2.0
EPSS 0.34%
Description
The vmci_transport_dgram_dequeue function in net/vmw_vsock/vmci_transport.c in the Linux kernel before 3.9-rc7 does not properly 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.
Affected products
No data.
- ≤ 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00341) | 25.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00341) | 25.70th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00053) | 13.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (15)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=680d04e0ba7e926233e3b9cee59125ce181f66ba x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2013/04/14/3 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2013/04/22/11 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2013/04/22/13 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2013/04/22/14 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2013/04/22/3 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2013/04/23/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/59391 vdb-entryx_refsource_BID
- http://xforce.iss.net/xforce/xfdb/83698 vdb-entryx_refsource_XF
- https://access.redhat.com/security/cve/CVE-2013-3236 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=956154 Issue Tracking
- https://github.com/torvalds/linux/commit/680d04e0ba7e926233e3b9cee59125ce181f66ba x_refsource_CONFIRMVendor Advisory
- https://lkml.org/lkml/2013/4/14/107 mailing-listx_refsource_MLISTVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-3236
- https://www.cve.org/CVERecord?id=CVE-2013-3236
Change history (0)
No recorded changes yet.