CVE-2017-7477

CVE Details

Release Date:	2017-04-24
Impact:	Important	What is this?

Description

Heap-based buffer overflow in drivers/net/macsec.c in the MACsec modulein the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly have unspecified other impact by leveraging the use of a MAX_SKB_FRAGS+1 size in conjunction with the NETIF_F_FRAGLIST feature, leading to an error in the skb_to_sgvec function.

See more information about CVE-2017-7477 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.9
Vector String:	AV:L/AC:M/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-4.1.12-94.3.8.el6uek)	ELSA-2017-3589	2017-06-30
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3589	2017-06-30
Oracle Linux version 7 (dtrace-modules-4.1.12-94.3.8.el7uek)	ELSA-2017-3589	2017-06-30
Oracle Linux version 7 (kernel)	ELSA-2017-1615	2017-06-28
Oracle Linux version 7 (kernel)	ELSA-2017-1615-1	2017-06-28
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3589	2017-06-30
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0119	2017-06-30