High severity · published Jan 23, 2018
CVE-2015-1142857
On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF
8.6
CVSS
2.1%
EPSS
No
On KEV
Description
On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before e7358f54a3954df16d4f87e3cad35063f1c17de5 and the DPDK before commit 3f12b9f23b6499ff66ec8b0de941fb469297e5d0, additionally Multiple vendor NIC firmware is affected.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
8F
82576 Firmware · Intel
All versions, or not specified · source: NVD
8F
82599 Firmware · Intel
All versions, or not specified · source: NVD
DP
Dpdk · Dpdk
All versions, or not specified · source: NVD
IF
I350 Firmware · Intel
All versions, or not specified · source: NVD
LK
Linux Kernel I40e/i40evf · Linux
All versions, or not specified · source: NVD
LK
Linux Kernel Ixgbe · Linux
All versions, or not specified · source: NVD
XF
X540 Firmware · Intel
All versions, or not specified · source: NVD
XF
X710 Firmware · Intel
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-1142857
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-1142857
Mailing List
http://seclists.org/oss-sec/2015/q4/425
Mitigation
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00046&languageid=en-fr
Technical Description
https://www.usenix.org/system/files/conference/usenixsecurity15/sec15-paper-smolyar.pdf