CVE-2017-5753 Information disclosure in Most Modern Operating Systems

Medium 5.6 Published Updated

Local attackers can exploit speculative execution side-channels to read unauthorized memory, affecting most modern operating systems.

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-2017-5753?

CVE-2017-5753 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 4 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

Weakness: CWE-203

Which versions are affected by CVE-2017-5753?

It affects 308 products.

Linux distribution packages (40)
kernel Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-abi-whitelists Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debug Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debug-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debug-devel Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-devel Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-doc Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-firmware Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel-headers Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
perf Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
perf-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
python-perf Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
python-perf-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:2.6.32-696.23.1.el6
kernel Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-abi-whitelists Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debug Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debug-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debug-devel Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-devel Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-doc Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-firmware Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel-headers Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
perf Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
perf-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
python-perf Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
python-perf-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:2.6.32-696.23.1.el6
kernel Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-abi-whitelists Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-bootwrapper Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-debug Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-debug-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-debug-devel Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6
kernel-debuginfo-common-i686 Red Hat:enterprise_linux:6::serverAll versions0:2.6.32-696.23.1.el6

Products include Arm Cortex-A12 Firmware, Arm Cortex-A15 Firmware, Arm Cortex-A17 Firmware, Arm Cortex-A57 Firmware, Arm Cortex-A72 Firmware, Arm Cortex-A73 Firmware and 302 more.

How do I fix CVE-2017-5753?

Apply the vendor's patch.

Is CVE-2017-5753 being exploited?

There is no known exploitation of CVE-2017-5753 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 7 proofs of concept on GitHub.

Sources

Also known as ALPINE-CVE-2017-5753, DEBIAN-CVE-2017-5753, RHSA-2018:0182, RHSA-2018:0496, RHSA-2018:0512, SUSE-SU-2021:2861-1 and 5 more.

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