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TI-2016-07112 Aliases CVE-2016-8650GHSA-pjpg-8qgr-gpc5

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not…

Priority LOW 25CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.

Why it matters now

EPSS 0.00406 35th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.8.11VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.8.11 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2018:1854 Released 2018-06-19 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-bootwrapper-2.6.32-754.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.el6
  • RHSA-2017:0933 Released 2017-04-12 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-bootwrapper-3.10.0-514.16.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.16.1.el7, kernel-tools-libs-devel-3.10.0-514.16.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.16.1.el7, kernel-abi-whitelists-3.10.0-514.16.1.el7, kernel-debug-3.10.0-514.16.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.16.1.el7
  • RHSA-2017:0931 Released 2017-04-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-devel-3.10.0-514.16.1.rt56.437.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-3.10.0-514.16.1.rt56.437.el7, kernel-rt-debug-devel-3.10.0-514.16.1.rt56.437.el7 +7
Show 1 more Red Hat advisories
  • RHSA-2017:0932 Released 2017-04-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-514.rt56.219.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.219.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.219.el6rt +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:0931
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2018:1854
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:0933
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:0931
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:0932
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-8650
  2. 2026-10-03 Alias added: GHSA-pjpg-8qgr-gpc5

References

Patch 2

Advisory 5

Other 3

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences