CVE-2017-7616
kernel: Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 8, 2017
Updated · June 28, 2026
Description
Incorrect error handling in the set_mempolicy() and mbind() compat syscalls in 'mm/mempolicy.c' in the Linux kernel allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation.
Statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 on ppc64 and ppc64le platforms. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and 7 on ppc64 and ppc64le platforms. Future Linux kernel updates for the respective releases might address this issue.
Only ppc64 and ppc64le hardware platforms are vulnerable. The Linux kernel packages for other platforms which Red Hat ships (i386, x86_64, s390x) are not vulnerable to this security flaw.
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux MRG-2 as this product is shipped for x86_64 hardware platform only.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-390 · Detection of Error Condition Without Action