CVE-2017-1000380 Race condition in n/a

Medium 5.5 Published Updated

A data race in the Linux kernel ALSA timer driver allows local users to read uninitialized memory, potentially disclosing sensitive information from other users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2017-1000380?

CVE-2017-1000380 is a medium-severity vulnerability in Linux kernel, published on 17 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

sound/core/timer.c in the Linux kernel before 4.11.5 is vulnerable to a data race in the ALSA /dev/snd/timer driver resulting in local users being able to read information belonging to other users, i.e., uninitialized memory contents may be disclosed when a read and an ioctl happen at the same time.

Weakness: CWE-200

Which versions are affected by CVE-2017-1000380?

It affects 1 product.

Linux distribution packages (40)
kernel Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-abi-whitelists Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-debug Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-debug-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-debug-devel Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-devel Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-doc Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-headers Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-tools Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-tools-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-tools-libs Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel-tools-libs-devel Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
perf Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
perf-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
python-perf Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
python-perf-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:3.10.0-693.11.1.el7
kernel Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-abi-whitelists Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-debug Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-debug-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-debug-devel Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-devel Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-doc Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-headers Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-tools Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-tools-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-tools-libs Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel-tools-libs-devel Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
perf Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
perf-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
python-perf Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
python-perf-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:3.10.0-693.11.1.el7
kernel Red Hat:enterprise_linux:7::serverAll versions0:3.10.0-693.11.1.el7
kernel-abi-whitelists Red Hat:enterprise_linux:7::serverAll versions0:3.10.0-693.11.1.el7
kernel-bootwrapper Red Hat:enterprise_linux:7::serverAll versions0:3.10.0-693.11.1.el7
kernel-debug Red Hat:enterprise_linux:7::serverAll versions0:3.10.0-693.11.1.el7

Products include Linux kernel.

How do I fix CVE-2017-1000380?

Apply the vendor's patch.

Is CVE-2017-1000380 being exploited?

There is no known exploitation of CVE-2017-1000380 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-1000380, GHSA-xfwq-gq62-2hc2, RHSA-2017:3295, RHSA-2017:3315, RHSA-2017:3322, UBUNTU-CVE-2017-1000380.

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