CVE Vulnerabilities

CVE-2014-7826

NULL Pointer Dereference

Published: Nov 10, 2014 | Modified: Feb 13, 2023
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
4 MODERATE
AV:L/AC:H/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
HIGH

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.

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 2.6.32 (including) 3.2.65 (excluding)
Linux_kernel Linux 3.3 (including) 3.4.106 (excluding)
Linux_kernel Linux 3.5 (including) 3.10.60 (excluding)
Linux_kernel Linux 3.11 (including) 3.12.33 (excluding)
Linux_kernel Linux 3.13 (including) 3.14.24 (excluding)
Linux_kernel Linux 3.15 (including) 3.16.35 (excluding)
Linux_kernel Linux 3.17 (including) 3.17.3 (excluding)
Linux Ubuntu precise *
Linux Ubuntu trusty *
Linux Ubuntu upstream *
Linux Ubuntu utopic *
Linux-2.6 Ubuntu upstream *
Linux-armadaxp Ubuntu precise *
Linux-armadaxp Ubuntu upstream *
Linux-aws Ubuntu upstream *
Linux-ec2 Ubuntu upstream *
Linux-flo Ubuntu esm-apps/xenial *
Linux-flo Ubuntu trusty *
Linux-flo Ubuntu upstream *
Linux-flo Ubuntu utopic *
Linux-flo Ubuntu vivid *
Linux-flo Ubuntu vivid/stable-phone-overlay *
Linux-flo Ubuntu wily *
Linux-flo Ubuntu xenial *
Linux-flo Ubuntu yakkety *
Linux-fsl-imx51 Ubuntu lucid *
Linux-fsl-imx51 Ubuntu upstream *
Linux-gke Ubuntu upstream *
Linux-goldfish Ubuntu esm-apps/xenial *
Linux-goldfish Ubuntu trusty *
Linux-goldfish Ubuntu upstream *
Linux-goldfish Ubuntu utopic *
Linux-goldfish Ubuntu vivid *
Linux-goldfish Ubuntu wily *
Linux-goldfish Ubuntu xenial *
Linux-goldfish Ubuntu yakkety *
Linux-goldfish Ubuntu zesty *
Linux-grouper Ubuntu trusty *
Linux-grouper Ubuntu upstream *
Linux-grouper Ubuntu utopic *
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 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 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 upstream *
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 utopic *
Linux-mako Ubuntu vivid *
Linux-mako Ubuntu vivid/stable-phone-overlay *
Linux-mako Ubuntu wily *
Linux-mako Ubuntu xenial *
Linux-mako Ubuntu yakkety *
Linux-manta Ubuntu trusty *
Linux-manta Ubuntu upstream *
Linux-manta Ubuntu utopic *
Linux-manta Ubuntu vivid *
Linux-manta Ubuntu wily *
Linux-mvl-dove Ubuntu lucid *
Linux-mvl-dove Ubuntu upstream *
Linux-qcm-msm Ubuntu lucid *
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 *
Red Hat Enterprise Linux 6 RedHat kernel-0:2.6.32-504.16.2.el6 *
Red Hat Enterprise Linux 7 RedHat kernel-0:3.10.0-229.el7 *
Red Hat Enterprise MRG 2 RedHat kernel-rt-0:3.10.58-rt62.58.el6rt *

Potential Mitigations

References