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TI-2018-05472 Aliases CVE-2018-7566GHSA-qwh3-x82w-5462

The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl…

Priority LOW 35CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.

Why it matters now

EPSS 0.00473 41st percentileScored 2026-11-07
Fix Fixed Red Hat: 6 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 · 21

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:4.15:*:*:*:*:*:*:*4.15VulnerableLinux
cpe:2.3:a:suse:linux_enterprise_module_for_public_cloud:12:*:*:*:*:*:*:*12VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:12:*:*:*:ltss:*:*:*12VulnerableSUSE
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:4.15:*:*:*:*:*:*:* Versions 4.15 Vulnerable ·Linux
  • cpe:2.3:a:suse:linux_enterprise_module_for_public_cloud:12:*:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:12:*:*:*:ltss:*:*:* Versions 12 Vulnerable ·SUSE
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:a:oracle:communications_eagle_application_processor:16.1.0:*:*:*:*:*:*:*16.1.0VulnerableOracle
cpe:2.3:a:oracle:communications_eagle_application_processor:16.2.0:*:*:*:*:*:*:*16.2.0VulnerableOracle
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:oracle:communications_eagle_application_processor:16.1.0:*:*:*:*:*:*:* Versions 16.1.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_eagle_application_processor:16.2.0:*:*:*:*:*:*:* Versions 16.2.0 Vulnerable ·Oracle

Remediation

Red Hat 6 advisories

  • RHSA-2019:1487 Released 2019-06-17 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.50.3.rt56.644.el6rt, kernel-rt-debug-1:3.10.0-693.50.3.rt56.644.el6rt, kernel-rt-debug-devel-1:3.10.0-693.50.3.rt56.644.el6rt +7
  • RHSA-2019:1483 Released 2019-06-17 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) kernel-3.10.0-693.50.3.el7, kernel-abi-whitelists-3.10.0-693.50.3.el7, kernel-debug-3.10.0-693.50.3.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.50.3.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.4) kernel-3.10.0-693.50.3.el7, kernel-abi-whitelists-3.10.0-693.50.3.el7, kernel-bootwrapper-3.10.0-693.50.3.el7 +10
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) kernel-debug-devel-3.10.0-693.50.3.el7, kernel-tools-libs-devel-3.10.0-693.50.3.el7
  • RHSA-2018:2948 Released 2018-10-30 · Red Hat rating Important
    kernel-alt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-4.14.0-115.el7a, kernel-abi-whitelists-4.14.0-115.el7a, kernel-alt-4.14.0-115.el7a +9
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-4.14.0-115.el7a, kernel-tools-libs-devel-4.14.0-115.el7a
Show 3 more Red Hat advisories
  • RHSA-2018:2395 Released 2018-08-14 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-862.11.6.rt56.819.el7, kernel-rt-debug-3.10.0-862.11.6.rt56.819.el7, kernel-rt-debug-devel-3.10.0-862.11.6.rt56.819.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-862.11.6.rt56.819.el7, kernel-rt-debug-3.10.0-862.11.6.rt56.819.el7, kernel-rt-debug-devel-3.10.0-862.11.6.rt56.819.el7 +7
  • RHSA-2018:2384 Released 2018-08-14 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-862.11.6.el7, kernel-abi-whitelists-3.10.0-862.11.6.el7, kernel-debug-3.10.0-862.11.6.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.11.6.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-862.11.6.el7, kernel-abi-whitelists-3.10.0-862.11.6.el7, kernel-debug-3.10.0-862.11.6.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.11.6.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-862.11.6.el7, kernel-abi-whitelists-3.10.0-862.11.6.el7, kernel-bootwrapper-3.10.0-862.11.6.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-862.11.6.el7, kernel-tools-libs-devel-3.10.0-862.11.6.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-862.11.6.el7, kernel-abi-whitelists-3.10.0-862.11.6.el7, kernel-debug-3.10.0-862.11.6.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.11.6.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-3.10.0-862.11.6.el7, kernel-abi-whitelists-3.10.0-862.11.6.el7, kernel-bootwrapper-3.10.0-862.11.6.el7 +11
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-3.10.0-862.11.6.el7, kernel-doc-3.10.0-862.11.6.el7, kernel-tools-libs-devel-3.10.0-862.11.6.el7
  • RHSA-2018:2390 Released 2018-08-14 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.3.5.el6, kernel-abi-whitelists-2.6.32-754.3.5.el6, kernel-debug-2.6.32-754.3.5.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.3.5.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.3.5.el6, kernel-abi-whitelists-2.6.32-754.3.5.el6, kernel-debug-2.6.32-754.3.5.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.3.5.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.3.5.el6, kernel-abi-whitelists-2.6.32-754.3.5.el6, kernel-bootwrapper-2.6.32-754.3.5.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.3.5.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.3.5.el6, kernel-abi-whitelists-2.6.32-754.3.5.el6, kernel-debug-2.6.32-754.3.5.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.3.5.el6

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-2018:2384
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4)Fixed RHSA-2019:1483
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4)Fixed RHSA-2019:1483
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2018:2395
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:1483
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux Server Optional EUS (v. 7.4)Fixed RHSA-2019:1483
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2018:2390
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:2384
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:2384, RHSA-2018:2948
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:2384, RHSA-2018:2948
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2018:2395
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2019:1487
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-7566
  2. 2026-10-03 Alias added: GHSA-qwh3-x82w-5462

References

Patch 4

Advisory 15

Other 1

Sources

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