CVE-2017-15537

CVE Details

Release Date:	2018-07-30
Impact:	None	What is this?

Description

The x86/fpu (Floating Point Unit) subsystem in the Linux kernel before4.13.5, when a processor supports the xsave feature but not the xsaves feature, does not correctly handle attempts to set reserved bits in the xstate header via the ptrace() or rt_sigreturn() system call, allowing local users to read the FPU registers of other processes on the system, related to arch/x86/kernel/fpu/regset.c and arch/x86/kernel/fpu/signal.c.

See more information about CVE-2017-15537 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:	2.1
Vector String:	AV:L/AC:L/Au:N/C:P/I:N/A:N
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2018-4071	2018-04-18
Oracle Linux version 7 (kernel-uek)	ELSA-2018-4071	2018-04-18
Oracle VM version 3.4 (kernel-uek)	OVMSA-2018-0035	2018-04-18