CVE Vulnerabilities

CVE-2016-8646

NULL Pointer Dereference

Published: Nov 28, 2016 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
4.7 MODERATE
AV:L/AC:M/Au:N/C:N/I:N/A:C
RedHat/V3
5.5 MODERATE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM

The hash_accept function in crypto/algif_hash.c in the Linux kernel before 4.3.6 allows local users to cause a denial of service (OOPS) by attempting to trigger use of in-kernel hash algorithms for a socket that has received zero bytes of data.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Linux_kernel Linux * 4.3.5 (including)
Red Hat Enterprise Linux 7 RedHat kernel-rt-0:3.10.0-514.21.1.rt56.438.el7 *
Red Hat Enterprise Linux 7 RedHat kernel-0:3.10.0-514.21.1.el7 *
Red Hat Enterprise MRG 2 RedHat kernel-rt-1:3.10.0-514.rt56.221.el6rt *
Linux Ubuntu precise *
Linux Ubuntu trusty *
Linux Ubuntu upstream *
Linux Ubuntu vivid/ubuntu-core *
Linux-armadaxp Ubuntu precise *
Linux-armadaxp Ubuntu upstream *
Linux-aws Ubuntu upstream *
Linux-flo Ubuntu esm-apps/xenial *
Linux-flo Ubuntu trusty *
Linux-flo Ubuntu upstream *
Linux-flo Ubuntu vivid/stable-phone-overlay *
Linux-flo Ubuntu xenial *
Linux-flo Ubuntu yakkety *
Linux-gke Ubuntu upstream *
Linux-goldfish Ubuntu esm-apps/xenial *
Linux-goldfish Ubuntu trusty *
Linux-goldfish Ubuntu upstream *
Linux-goldfish Ubuntu xenial *
Linux-goldfish Ubuntu yakkety *
Linux-goldfish Ubuntu zesty *
Linux-grouper Ubuntu trusty *
Linux-grouper Ubuntu upstream *
Linux-hwe Ubuntu upstream *
Linux-hwe-edge Ubuntu upstream *
Linux-linaro-omap Ubuntu precise *
Linux-linaro-omap Ubuntu upstream *
Linux-linaro-shared Ubuntu precise *
Linux-linaro-shared Ubuntu upstream *
Linux-linaro-vexpress Ubuntu precise *
Linux-linaro-vexpress Ubuntu upstream *
Linux-lts-quantal Ubuntu precise *
Linux-lts-quantal Ubuntu precise/esm *
Linux-lts-quantal Ubuntu upstream *
Linux-lts-raring Ubuntu precise *
Linux-lts-raring Ubuntu precise/esm *
Linux-lts-raring Ubuntu upstream *
Linux-lts-saucy Ubuntu precise *
Linux-lts-saucy Ubuntu precise/esm *
Linux-lts-saucy Ubuntu upstream *
Linux-lts-trusty Ubuntu precise *
Linux-lts-trusty Ubuntu upstream *
Linux-lts-utopic Ubuntu trusty *
Linux-lts-utopic Ubuntu upstream *
Linux-lts-vivid Ubuntu trusty *
Linux-lts-vivid Ubuntu upstream *
Linux-lts-wily Ubuntu trusty *
Linux-lts-wily Ubuntu upstream *
Linux-lts-xenial Ubuntu upstream *
Linux-maguro Ubuntu trusty *
Linux-maguro Ubuntu upstream *
Linux-mako Ubuntu esm-apps/xenial *
Linux-mako Ubuntu trusty *
Linux-mako Ubuntu upstream *
Linux-mako Ubuntu vivid/stable-phone-overlay *
Linux-mako Ubuntu xenial *
Linux-mako Ubuntu yakkety *
Linux-manta Ubuntu trusty *
Linux-manta Ubuntu upstream *
Linux-qcm-msm Ubuntu precise *
Linux-qcm-msm Ubuntu upstream *
Linux-raspi2 Ubuntu upstream *
Linux-raspi2 Ubuntu vivid/ubuntu-core *
Linux-snapdragon Ubuntu upstream *
Linux-ti-omap4 Ubuntu precise *
Linux-ti-omap4 Ubuntu upstream *

Potential Mitigations

References