CVE-2015-1142857

moderate-risk
Published 2018-01-23

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.

Do I need to act?

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0.69% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10 High
NETWORK / LOW complexity

Affected Products (8)

X710 Firmware
82599 Firmware
X540 Firmware
I350 Firmware
82576 Firmware
Linux Kernel Ixgbe
Linux Kernel I40E\/I40Evf
Dpdk

Affected Vendors

Linux Intel Dpdk

References (6)

Mailing List http://seclists.org/oss-sec/2015/q4/425
Mitigation https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00046&languagei...
Technical Description https://www.usenix.org/system/files/conference/usenixsecurity15/sec15-paper-smol...
Mailing List http://seclists.org/oss-sec/2015/q4/425
Mitigation https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00046&languagei...
Technical Description https://www.usenix.org/system/files/conference/usenixsecurity15/sec15-paper-smol...
45
/ 100
moderate-risk
Severity 29/34 · Critical
Exploitability 2/34 · Minimal
Exposure 14/34 · Moderate